ABSTRACT
Background: Coronavirus pandemic is an ongoing pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). WHO declared the outbreak as a Public Health Emergency of International Concern in January 2020 & a pandemic in March 2020. In India Oxford University-Astra Zeneca's Covishield vaccine, manufactured by serum institute of India and Bharath Biotech's Covaxin are being used for vaccination programme. In this study, we assess adverse reactions following Covid-19 vaccination & incidence of COVID-19 disease among vaccinated people across Kerala. Since it was newer vaccine and general population was afraid of side effects. The present study aimed to study the adverse effects of COVID-19 vaccination among general population aged above 18 years in Kerala. Method(s): A descriptive cross sectional study was conducted among COVID-19 vaccinated individuals above 18 yrs of age residing in Kerala from July 2021 to December 2021. Pattern of adverse events following COVID-19 vaccination (AEFI) were assessed using a semi structured questionnaire. An online questionnaire using Kobo Toolbox was developed and shared via online platform to record the self-reported adverse events following vaccination. A respondent driven sampling method was used. The data was downloaded in MS Excel and analysed using Microsoft excel. Result(s): Study was conducted among 526 people across Kerala, among which both males(45.63%) and females (54.18%). Majority of them received COVISHEID (92.97%) and rest of them received COVAXIN (6.24%) and SPUTNIK (0.57%). Out of which 65.97% received 2 doses and 34.03% received only one dose of vaccine. More than half of them (61.5%) faced side effects during post vaccination period. The symptoms were very mild in which fever (65.74%) and tiredness (76.85%) were the commonest symptoms. Conclusion(s): In the present study, majority of the vaccinated people experienced very mild and self limiting adverse effects, those were very mild & self limiting. It is a fact that COVID-19 vaccines doesn't provided 100% efficiency, but our study indicates that it does provides protection against COVID-19 infection to a great extend & breakthrough infections are very less severe and asymptomatic for vaccinated people.Copyright © 2023, Dr. Yashwant Research Labs Pvt. Ltd.. All rights reserved.
ABSTRACT
Social media plays an idealistic part in the present society. It assumes a significant role in expanding public awareness and gathers perspectives. Thus, social media has taken a huge place among people all over the world. And the ideas shared on social media reach people instantly. The Covid-19 virus, which is affecting more and more people around the world, It has infected millions in various countries and caused many thousands of deaths. In India, a country with a large population, the incidence of this virus is really higher. A Pune-based serum company has won a contract to develop the Covishield, a vaccine developed by the University of Oxford in the United Kingdom to control the virus. And Bharat Biotech, based in Hyderabad has developed a vaccine called 'Covaxin' in the national level invention. The two vaccines have been approved by the federal government for use on an emergency basis. Accordingly, the Ministry of Health and Family Welfare of India has confirmed that these two vaccines are completely safe. Covid-19 vaccination is currently being implemented across India. This study explains whether the news about the Covid-19 vaccine that is appearing on social media at the moment is raising awareness or causing fear among the people. For this study the researcher selected the most Covid-19 affected areas in Chennai, Namely called Royapuram, Thiru Vi Ka Nagar, Anna Nagar, and Kodambakkam. A total of 320 Respondents participated in the study and responded. This study was conducted from 10 March 2021 to 10 April 2021. © 2023 Author(s).
ABSTRACT
COVID-19, an infectious disease, has become a leading cause of death in many people. The rapid emergence of the pandemic prompted the development of a vaccine to mitigate the disease's harmful consequences. Vaccination is the only effective way to prevent infection from spreading and build immunity to the virus. However, developing adverse effects has become a major problem for vaccine reluctance. Accordingly, the interest has been shifted towards identifying the adverse effects developed following immunization. The current study objective is to assess and compare the intensity of adverse effects following 1st and 2nd dose of COVID-19 vaccination and the medication administered to relieve the symptoms associated with vaccination. A cross-sectional study was performed in a community over six months. A total of 836 participants were involved in the study. All the data regarding the vaccination were collected through a specially designed questionnaire form and analyzed in all the participants within the study group. According to the study, at least 1 AEFI was developed in about 90% of the study population. The most common systemic and local effect developed in the study population was fever (59.42%) and pain at the injection site (69.82%), respectively. With both vaccines (ChAdOx1 nCoV-19 and BBV152), the incidence and severity of AEFIs were lower after the second dose than after the first dose, and most of the symptoms associated with vaccination were alleviated by taking home remedies and symptomatic treatment. The adverse effects reported after receiving the ChAdOx1 nCoV-19 and BBV152 vaccines are typical of most vaccines, and the majority of them were tolerated, and most subsided in less than 24 hours.
ABSTRACT
In India, COVID-19 (Corona Virus Disease-2019) continues to this day, although with subdued intensity, following two major waves of viral infection. Despite ongoing vaccination drives to curb the spread of COVID-19, the relative potential of the administered vaccines to render immune protection to the general population and their advantage over natural infection remain undocumented. In this study, we examined the humoral and cell-mediated immune responses induced by the two vaccines Covishield and Covaxin, in individuals living in and around Kolkata, India. We also compared the immune responses induced separately by vaccination and natural infection. Our results indicate that although Covishield generates a better humoral immune response toward SARS-CoV-2, both vaccines are almost equivalent in terms of cell-mediated immune response to the virus. Both Covishield and Covaxin, however, are more effective toward the wild-type virus than the Delta variant. Additionally, the overall immune response resulting from natural infection in and around Kolkata is not only similar to that generated by vaccination but the cell-mediated immune response to SARS-CoV-2 also lasts for at least ten months in some individuals after the viral infection.
ABSTRACT
Viral vector vaccines (Covishield) and inactivated vaccines (Covaxin) are now being administered worldwide to reduce the impact of life-threatening corona virus disease 19 (COVID-19). Various cutaneous adverse drug reactions (CADRs) have been reported following COVID-19 vaccination. Here, we are reporting series of CADRs following COVID-19 vaccination. Among 18 CADRs, 4 each were of acute urticaria and pityriasis rosea, 2 each of leukocytoclastic vasculitis and herpes zoster, 3 exacerbation of psoriasis, and 1 each of exacerbation of eczema, reactivation of herpes simplex virus 1 infection, and COVID arm. However, in 1 case there was remission of psoriasis. These CADRs occurred between 6 hours and 20 days after vaccination and were mild to moderate in severity. Only 1 needed hospitalization. Of the 18 CADRs, 10 developed after first dose and 8 after second dose. Causality assessment was done using World Health Organization causality assessment classification. Mass COVID-19 vaccination program is in progress worldwide. Many CADRs like COVID arm, urticaria, pityriasis rosea, leukocytoclastic vasculitis, herpes zoster etc., have been reported following vaccination. In our series only 1 developed cutaneous adverse drug reaction (CADR) to Covaxin. It was Covishield that was administered during the vaccination drive; hence, more cases were seen to that vaccine. Most of the CADRs were mild to moderate in intensity. Awareness of these adverse effects enables the healthcare professionals to be better equipped to recognize and manage them correctly.
ABSTRACT
AIM: The study was conducted to know the impact of COVID-19 vaccination on menstrual cycle patterns and pre- and post-menstrual symptoms in women aged 18-45 years. BACKGROUND: COVID-19 vaccination was introduced to combat the dreadful impacts of human coronavirus infection. The two indigenously developed COVID-19 vaccines approved for use in India are COVISHILED and COVAXIN. OBJECTIVES: To investigate the effects of COVID-19 vaccination on the menstrual cycle, pre- and post-menstrual symptoms and to establish the correlation with the type of vaccine received. METHODS: Multi-centric observational study conducted in six institutes of national importance in different states of India over one year. A total of 5709 female participants fulfilling inclusion criteria were enrolled. Data about the impact of vaccines (COVISHIELD and COVAXIN) and prior COVID-19 infection on the menstrual cycle and its associated symptoms were obtained using all participants' online and offline interviews. RESULTS: Of 5709 participants, 78.2% received COVISHIELD and 21.8% COVAXIN. Of the total 5709 participants, 333(5.8%) developed post-vaccination menstrual disturbances, with 32.7% having frequent cycles, 63.7% prolonged cycles, and 3.6% inter-menstrual bleeding. A total of 301 participants noticed changes in the amount of bleeding, with 50.2% excessive, 48.8% scanty, and 0.99% amenorrhea followed by heavy bleeding. Furthermore, the irregularities of the menstrual cycle (p=0.011) and length (0.001) were significantly higher in the COVAXIN group (7.2%) as compared to the COVISHIELD (5.3%) group. A total of 721 participants complained of newly developed/worsening pre- and post-menstrual symptoms. These symptoms were significantly higher in the COVISHIELD group (p=0.031), with generalized weakness and body pains as the main complaints (p=0.001). No significant difference was observed in the incidence of COVID-19 infection with these vaccines. No significant associations were observed when comparing menstrual abnormalities among those with COVID-19 infection (p>0.05). CONCLUSIONS: COVISHILED and COVAXIN vaccines were associated with menstrual cycle disturbances and pre-and post-menstrual symptoms in a small proportion of participants, with 94.7% having no change in the amount of bleeding during menstruation post-vaccination. The menstrual irregularities observed were significantly higher with the COVAXIN vaccine. Others: Further, long-term studies are required to confirm that the impact of COVID-19 vaccination on the menstrual cycle may be short-lasting, with no severe effects on women's menstrual health.
ABSTRACT
With the eruption of COVID pandemic, many cases of thromboembolic events in association with the COVID infection were reported suggesting the prothrombotic state associated with the infection. After a few years, eventually some of the COVID vaccines came into implementation. With the discovery and implementation of COVID vaccinations, a very few cases have been reported to have developed thromboembolic events, including pulmonary thromboembolism. Different types of vaccines have been associated with different rates of thromboembolic events. Covishield vaccine is rarely associated with thrombotic complications. In the case report below, we present a case summary of a young married female, who presented with shortness of breath a week after the Covishield vaccination and presented to our tertiary care center with further worsening of symptoms during a course of 6 months. On detailed workup, she was diagnosed to have a large pulmonary thrombus affecting the left main pulmonary artery. Other possible etiologies of the hypercoagulable states were ruled out. Though COVID vaccines are known to induce prothrombotic state in the body, we could not be sure if it was the actual cause for the pulmonary thromboembolism or just a coincidence.
ABSTRACT
Objectives: The objective of this study is to assess and correlate adverse drug events following coronavirus disease (COVID) vaccination with blood group and dietary style. Methodology: This is a cross-sectional study carried out from May 2021 to July 2021. A prevalidated Google questionnaire containing demographic details, dietary style, blood group, preexisting diseases, and adverse events of the COVID vaccine was circulated to all health-care professionals of our institution through mail/WhatsApp. Informed consent was obtained (in Google Forms) from all the participants after describing the purpose of the study and the assurance to maintain anonymity and confidentiality. A total of 102 responses were collected, out of which 100 (n = 100) responses were analyzed and interpreted (two responses were excluded since participants are not vaccinated). The descriptive statistical method is applied for the assessment of adverse events. The Chi-square test is applied to assess the correlation between adverse events with blood group and dietary style. P < 0.05 is considered statistically significant. Results: The majority of the participants had comorbidities (80%) and were not infected with COVID (90%) before vaccination. Pain at the injection site is very frequently experienced followed by body aches, fatigue, fever, and weakness of the arm. The Chi-square correlation test showed that nonvegetarians had a significantly higher incidence of pain at the injection site compared to vegetarians [?(2) = 7.799, P < 0.004]. However, the study did not find a significant association between other adverse events with blood group and dietary style of the participants (P > 0.05). Conclusion: The present study concludes that study participants experienced minor adverse events following Covishield and Covaxin;pain at the injection site, myalgia, and fever are more frequent. Moreover, there is a higher incidence of injection site pain in nonvegetarians compared to vegetarians. However, there is no significant association between other adverse events with blood group and dietary style of the participants.
ABSTRACT
Introduction: Vaccine safety is a major barrier to the uptake of the COVID-19 vaccine by pregnant women. To bring confidence among pregnant women towards vaccine intake, there is a need to synthesize evidence on safety profile of vaccination. Objective: To assess adverse events (AEs) following COVID-19 vaccination among pregnant women. Materials and methods: A vaccine safety surveillance was conducted at 2 rural primary health centers (PHC) located in Anantapur District, India. A total of 420 pregnant women were monitored for AEs following COVID-19 vaccination for a period of 30â¯min and followed for 1 month for late reactions through telephonic interviews. All AEs were subjected to causality and severity assessment. Descriptive statistics were used to represent adverse events. Results: The COVID-19 vaccine acceptance rate among pregnant women was 64.4%. A total of 420 pregnant women received 670 vaccine doses (Covishieldâ¯=â¯372, Covaxinâ¯=â¯298) against COVID-19. Majority of vaccine intake was observed during the second trimester. The incidence rate of AEs following the COVID-19 vaccine among pregnant women was 93.8%, and the majority include injection site pain (28.4%, 29.6%), fever (25.5%, 19.0%), myalgia (8.21%, 12.3%), and malaise (13.6%, 8.4%). Most AEs notified are probable and mild in nature. Conclusion: The COVID-19 vaccine acceptance rate among pregnant women was 64.4%. A 30â¯days incidence rate of AEs following COVID-19 vaccination among pregnant women was 93.8%, with the most common mild events like injection site pain, and fever. A further follow-up cohort study by taking an adequate sample size was recommended to capture fetal-maternal outcomes.
Introducción: La seguridad de la vacuna es una barrera importante para la adopción de la vacuna COVID-19 por parte de las mujeres embarazadas. Para llevar confianza entre las mujeres embarazadas hacia la ingesta de vacunas, es necesario sintetizar la evidencia sobre el perfil de seguridad de la vacunación. Objetivo: Evaluar los eventos adversos (EA) después de la vacunación contra la COVID-19 en mujeres embarazadas. Materiales y métodos: Se llevó a cabo una vigilancia de la seguridad de las vacunas en dos centros rurales de atención primaria de salud (PHC) ubicados en el distrito de Anantapur, India. Un total de 420 mujeres embarazadas fueron monitoreadas para detectar EA después de la vacunación COVID-19 durante un período de 30 minutos y seguidas durante un mes para detectar reacciones tardías a través de entrevistas telefónicas. Todos los EA se sometieron a una evaluación de causalidad y gravedad. Se utilizaron estadísticas descriptivas para representar los eventos adversos. Resultados: La tasa de aceptación de la vacuna COVID-19 entre las mujeres embarazadas fue del 64,4%. Un total de 420 mujeres embarazadas recibieron 670 dosis de vacunas (Covishieldâ¯=â¯372, Covaxinâ¯=â¯298) contra COVID-19. La mayoría de la ingesta de vacunas se observó durante el segundo trimestre. La tasa de incidencia de EA después de la vacuna COVID-19 entre las mujeres embarazadas fue del 93,8%, y la mayoría incluye dolor en el lugar de la inyección (28,4%, 29,6%), fiebre (25,5%, 19,0%), mialgia (8,21%, 12,3%) y malestar general (13,6%, 8,4%). La mayoría de los EA notificados son de naturaleza probable y leve. Conclusión: La tasa de aceptación de la vacuna COVID-19 entre las mujeres embarazadas fue del 64,4%. Una tasa de incidencia de EA a 30 días después de la vacunación contra COVID-19 entre las mujeres embarazadas fue del 93,8%, con los eventos leves más comunes como dolor en el lugar de la inyección y fiebre. Se recomendó un estudio de cohorte de seguimiento adicional mediante la toma de un tamaño de muestra adecuado para capturar los resultados maternos fetales.
ABSTRACT
BACKGROUND: COVISHIELD, ChAdOx1 nCoV- 19 Corona Virus Vaccine was granted emergency use authorization (EUA) as the first vaccine in India in January 2021. Knowing what to anticipate after vaccination will reduce vaccine hesitancy in the public. This study aimed to identify and measure the adverse events following COVID-19 vaccination. MATERIALS AND METHODS: A cross-sectional observational study was conducted at Goa Medical College, starting on February 21 till May 23, 2021. A total of 418 people were enrolled. We collected the data using the Microsoft Form and analyzed using Microsoft Excel and R-program. RESULTS: Of the 418 vaccine recipients, the incidence rate of AEFI (Adverse Events Following Immunization) was 54.31%. Fever, fatigue, and headache were the most commonly reported systemic AEFIs. Among these, 54.7% of AEFI were mild, 42.38% were of the moderate category, and only 2.96% were of grade 3 severity. None of the AEFIs were severe enough for hospitalization. Most of them developed symptoms within 24 hours of the first dose. Complete recovery from AEFIs took a median time of 24 hours. CONCLUSION: Most of our study findings were consistent with the phase 1, 2/3 trials findings of Oxford-AstraZeneca's ChAdOx1 vaccine. The AEFI symptoms were considered immune reactions to the vaccine. The AEFIs were more common among younger individuals and females. The chance of missing a serious adverse event like a thromboembolic phenomenon cannot be ruled out. We observed low AEFI rates with COVISHIELD in the Indian population compared to Oxford-AstraZeneca's ChAdOx1 vaccine in the UK-based population, which can be explained by pre-existing immunity against adenovirus in the Indian population. However, based on the study findings, we may interpret that the COVISHIELD, Serum Institute of India, carries a good safety profile overall.
ABSTRACT
Background: The ubiquitous elixir for mortality and morbidity inflicted by severe acute respiratory syndrome virus (SARS-CoV-2) has been a vaccine. These vaccines were approved for emergency use authorization by health authorities based on limited data from clinical trials. Hence, there was a need for active surveillance of vaccinees to monitor for safety. Objective(s): This study reports adverse events following immunization with Oxford-AstraZeneca's COVID-19 vaccine (COVISHIELD). Material(s) and Method(s): The present study is an observational follow- up study to assess any adverse event occurrence following immunization (AEFI) within 7 days of vaccination among all eligible participants who were vaccinated. A structured safety surveillance questionnaire was administered consecutively to 714 participants. Vaccinees were observed for thirty minutes and followed telephonically for adverse events. Result(s): The overall incidence of any AEFI within 7 days was found to be 136/1000 vaccinations for the first dose. Out of total, 97 recipients reported with adverse events, 76.3% had AEFI within 24 h with fever as the most common symptom reported. The incidence of AEFI's was found to be associated with gender (P<0.02), age group (P<0.05) and occupation (P<0.05). No cases of hospitalization, disability or death were reported. Conclusion(s): Most of the adverse events were short-lived and observed in the first 24 h of vaccination. Incidence decreased in subsequent days and as no significant life-threatening adverse event was observed, this study might help reduce hesitancy for vaccination among the population and thus help reduce transmission of this highly contagious disease.
ABSTRACT
Background: In ongoing SARS CoV-2 pandemic, understanding antibody responses have played a key role in measuring extent of exposure, protection from reinfection, vaccine efficacy and serodiagnosis. Antibody avidity is total binding strength of immunoglobulin G (IgG) toward its target epitope. High antibody avidity has been correlated with effective neutralization of the SARSCoV-2 virus. However, the data on avidity responses against COVID-19 infection and vaccination are limited. Objective(s): To understand the avidity responses among sera of naturally infected, recovered COVID-19 patients;naive Covaxin, Covishield vaccinees and breakthrough infections. Material(s) and Method(s): In this study, we utilized an in-house developed SARS-CoV-2 anti-spike receptor binding domain (SRBD) IgG ELISA to optimize the avidity assay. A panel of anti-SARS-CoV- 2 SRBD IgG positive serum samples were treated with known concentration of a chaotropic agent (urea) for disruption of the noncovalent interactions of the antigen-antibody complex. This disruption causes low avidity antibodies to dissociate which gives the percentage of high avidity antibodies present in a serum sample. Additionally, the optimized assay was used to understand the avidity responses among sera belonging to individuals naturally infected and recovered after COVID-19, naive Covaxin and Covishield vaccinees;followed by breakthrough infections. Result(s) and Conclusion(s): The anti-SRBD avidity progressively elevated over a period of twelve months. Moreover, overall antibody avidity responses were similar in the case of natural infection and naive two doses of Covaxin and Covishield vaccinated individuals. However, avidity responses were high among individuals with a breakthrough infection as compared to naive vaccinees.
ABSTRACT
Indian data regarding serious neurological and psychiatric adverse events, following coronavirus disease 2019 (COVID-19) vaccination, are lacking. We, therefore, systematically evaluated cases of post-vaccinal serious neurological and psychiatric adverse reactions published from India. A systematic review of cases published from India, which were archived in PubMed, Scopus, and Google Scholar databases, was performed; pre-print databases along with ahead-of-print contents were searched in addition. Retrieved articles, as on June 27, 2022, were evaluated following PRISMA guidelines. EndNote 20 web tool was used to make a PRISMA flow chart. Individual patients' data were compiled in a tabular form. The protocol of the systematic review was registered with PROSPERO (CRD42022324183). A total of 64 records describing 136 instances of serious neurological and psychiatric adverse events were identified. More than 50% (36/64) reports were from the following four states, namely, Kerala, Uttar Pradesh, New Delhi, and West Bengal. The mean age of persons developing these complications was 44.89 ± 15.77 years. In the majority, adverse events occurred within 2 weeks of administration of the first dose of COVISHIELD vaccine. Immune-mediated central nervous system (CNS) disorders were identified in 54 instances. Guillain-Barre syndrome and other immune-mediated peripheral neuropathies were reported in 21 cases. Post-vaccinal herpes zoster was recorded in 31 vaccine recipients. Psychiatric adverse events were recorded in six patients. In Indian recipients of COVID-19 vaccine, a variety of serious neurological complications were reported. The overall risk appears minuscule. Immune-mediated central and peripheral neuronal demyelinations were the most frequently reported post-vaccinal adverse events. A large number of cases of herpes zoster have also been reported. Immune-mediated disorders responded well to immunotherapy.
Subject(s)
COVID-19 , Guillain-Barre Syndrome , Herpes Zoster , Peripheral Nervous System Diseases , Vaccines , Adult , Humans , Middle Aged , ChAdOx1 nCoV-19 , COVID-19/prevention & control , COVID-19/complications , COVID-19 Vaccines/adverse effects , Guillain-Barre Syndrome/etiology , Herpesvirus 3, Human , Peripheral Nervous System Diseases/complicationsABSTRACT
Background The coronavirus disease-2019 (COVID-19) pandemic devastated public health worldwide, including India. COVID-19 vaccines and their boosters are life-saving developments that have helped prevent and control the spread of COVID-19. We conducted this study to assess the coverage of the booster dose in an Indian population (the third dose of the COVID-19 vaccine in India is referred to as the booster or precautionary dose), record the reasons for not taking the booster dose, and determine the effectiveness of the booster. The levels of adherence to COVID-19 precautionary behavior was also assessed. Methods We conducted a descriptive, cross-sectional study using convenient sampling via an online survey of 550 respondents older than 18 in the second quarter of 2022. The respondents were distributed among 18 states and union territories in India. The data were analyzed as simple proportions and percentages. Results Of the 550 respondents, 152 (27.6%) received the booster dose, indicating low coverage. A small percentage of respondents (7.2%) reported suffering from COVID-19 following the booster, of whom 91% were medical professionals. The most common reported reason for not taking the vaccine was that the respondents were not yet due for their dose (48.1%). The time between the second dose of the COVID-19 vaccine and the booster had no impact on infection rates. Men were less likely to adhere to COVID-19 precautionary behavior than women, despite similar vaccination rates. Conclusion The COVID-19 vaccine booster had a low acceptance in our study population, with roughly one-quarter of the population receiving the booster. The booster dose has been influential in the prevention of COVID-19. Most respondents followed behavioral safety measures despite the decline of active cases of COVID-19 in India following the Omicron wave. Our results indicate a need to strengthen public strategies to affect behavioral changes, such as improving India's Behavior Change Communication program to ensure adequate booster dose coverage.
ABSTRACT
Indroduction: Thrombotic complications leading to cerebrovascular events occuring in conjunction with Covid-19 vaccination though rare, is well-documented. Moyamoya Angiopathy is a progressive intracranial vasculopathy leading to recurrent strokes. Case presentation: We present two index cases of young patient presenting with stroke and TIA following Covid-19 vaccination (COVISHIELD) leading to unmasking of Moyamoya Angiopathy. Conclusion(s): Arterial stroke following Covid-19 vaccination is documented, but uncommon. However, in the background of a vasculopathy, it may not be so rare. Moyamoya Angiopathy has been closely studied in the model of inflammatory pathophysiology in genetically predisposed patients leading to progressive vaso-occlusive disease. Few reports of Covid-19 infection potentiating Moyamoya Angiopathy symptoms are also documented. Thus, as an extrapolation of the inflammatory etiopathogenesis of Moyamoya Angiopathy, Covid-19 vaccination can similarly affect the Moyamoya symptomatology. These two index cases open new lines of enquiry regarding the interplay of Covid-19 vaccination and neurological destabilization in patients with underlying vasculopathy of inflammatory pathophysiology.Copyright © 2022
ABSTRACT
Introduction: Covaxin and Covishield vaccines have been rapidly rolled out in India to curb the Coronavirus disease-19 (COVID-19) pandemic. The present study tested the effectiveness of COVID-19 vaccination in adults in North India. Effectiveness was tested by considering disease transmission and post-COVID outcomes in infected individuals. Materials and Methods: This study was conducted in the Department of Physiology at MGM College, Jaipur (Rajasthan, India), after approval from the Ethics Committee. Vaccinated and nonvaccinated groups were compared for disease transmission, hospitalization, and clinical outcomes. Researchers collected data using questionnaires circulated through Google forms. The association between attributes was tested using the Chi-squared test. The significance level was considered at 5%. Results: Vaccination significantly reduced disease transmission of COVID-19 (χ 2 = 4.51;P = 0.034). However, no significant differences were seen in the Reverse transcription polymerase chain reaction positivity, chest computed tomography findings, and hospitalization. Similarly, COVID-related symptoms and their severity did not differ significantly between the two groups. The proportion of vaccinated individuals increases with age (χ 2 = 41.68;P < 0.001). Youths and older adults were vaccinated once and twice, respectively (χ 2 = 41.77;P < 0.001). The severity of adverse effects postimmunization (AEFI) was similar in all age groups (χ 2 = 13.22;P < 0.21). Males and females were equally vaccinated (χ 2 = 1.13;P < 0.288). However, males took two doses compared to females (χ 2 = 6,57;P < 0.01). Adverse effects postimmunization were more severe in females than males (χ 2 = 13.10;P < 0.001). Researchers found no association between the number of vaccine doses and the severity of AEFIs (χ 2 = 16.42;P = 0.06). Conclusion: The present study concludes the beneficial effect of vaccination in reducing disease transmission. However, vaccination showed no effectiveness in mitigating other COVID-related outcomes. The following core competencies are addressed in this article: Medical knowledge, systems-based practice, practice-based learning, and improvement. © 2023 International Journal of Academic Medicine ;Published by Wolters Kluwer - Medknow.
ABSTRACT
Background: COVID-19 severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) was declared Pandemic by the World Health Organization on January 30, 2020. Vaccination represents the best possibility to resolve this pandemic. The current global challenge is the immunization against the SARS-CoV-2. However, the adverse events following immunization (AEFI) of the corona vaccine remains unclear. Aim and Objectives: This observational study aims to represent an accountable data of the AEFI between Covaxin and Covishield in North Indian population. Materials and Methods: The hospital-based prospective and observational study was employed from January 2021 to December 2021 for detecting and monitoring of AEFI in adults. All population vaccinated either covishield or covaxin with both doses were enrolled in the study as targeted population. Post-vaccination vaccinated population were telephonic follow-up with prior consent. Results: A total of 1015 vaccinated individuals were included in this study for assessment of AEFI. After statistical analysis of AEFI between both vaccination at 24 h P = 0.13, 3–7 days 0.4 and complete AEFI P = 0.06 observed. There is no association that was found significant P < 0.05 with the incidence of AEFI. Conclusion: The short-term outcome has not attribute any serious AEFI. This study demonstrated that both vaccines were well-tolerated and safe in generalized population. [ FROM AUTHOR] Copyright of Journal of Cardiovascular Disease Research (Journal of Cardiovascular Disease Research) is the property of Journal of Cardiovascular Disease Research and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full . (Copyright applies to all s.)
ABSTRACT
The COVID-19 disease continues to cause devastation for almost 3 years of its identification. India is one of the leading countries to set clinical trials, production, and administration of COVID-19 vaccination. Recent COVID-19 vaccine tracker record suggests that 12 vaccines are approved in India, including protein subunit, RNA/DNA, non-replicating viral vector, and inactivated vaccine. Along with that 16 more vaccines are undergoing clinical trials to counter COVID-19. The availability of different vaccines gives alternate and broad perspectives to fight against viral immune resistance and, thus, viruses escaping the immune system by mutations. Using the recently published literature on the Indian vaccine and clinical trial sites, we have reviewed the development, clinical evaluation, and registration of vaccines trial used in India against COVID-19. Moreover, we have also summarized the status of all approved vaccines in India, their associated registered clinical trials, manufacturing, efficacy, and their related safety and immunogenicity profile.
ABSTRACT
Recently COVID-19 has become the most discussed topic in different social media platforms like Twitter, Facebook, Instagram etc. As time moves on, lot of messages and videos are posted in social media. As expected, most of the public followed these messages and becomes panic because of lack of information, misinformation about COVID-19 and its impact. This research study proposes a Twitter sentiment analysisbased on the most popular vaccines Covaxin, Covishield, and Pfizer. Most of the people expressed their feelings about vaccines in the twitter. Twitter API authentication is used here to extract the tweets. These extracted tweets are difficult to analyze, hence pre-processing has been done i.e., unstructured data is converted into structured format. After completion of preprocessing, the data is further classified by using Naïve Bayes algorithm. This algorithm performs data classification and divides it into three major classes as positive, negative, and neutral. The result shows that the covaxin yields 48.36% positive, 35.6% negative, and 16.04% neutral, Covishield yields 44.25% positive, 39.67% negative, and 16.08% neutral, Pfizer yields 42.95% positive, 39.45% negative, and 17.6% neutral sentiment. © 2022 IEEE.
ABSTRACT
Background: Coronavirus 2019 was declared as a pandemic by the World Health Organization in March 2020. Bereft of specific treatment for the disease, vaccinations and COVID appropriate behavior have come to be the main approaches to combat the pandemic. A number of vaccines have been approved after clearing clinical trials. Hence, it is essential to evaluate the safety profile of each vaccine for ensuring optimum health of the general population. This study was conducted to evaluate the adverse events following CoviShield vaccination in a tertiary care center. Aims and Objectives: The aim of the study was to describe the pattern of adverse effects, treatment given, and comorbidities seen in healthcare workers (HCW) who reported to the adverse drug reaction (ADR) monitoring center in the department of pharmacology Government T.D. Medical College, Alappuzha, following CoviShield vaccination from January 2021 to October 2021. Material(s) and Method(s): A retrospective and descriptive study was carried out at Department of Pharmacology, GTDMCA involving all HCW who reported side effects following CoviShield vaccination in the ADR monitoring centre (AMC) in the Department of Pharmacology, GTDMCA from January 2021 to Oct 2021. Result(s): Out of 620 HCWs who reported adverse event following vaccination, majority (45%) were from the age group 21-30 years. About 83% of HCWs who reported adverse effect were women. Majority of the respondents (96%) experienced the adverse effects within 24 h. About 88% of respondents experienced these adverse effects after the initial dose alone. Commonly encountered adverse effects were fever (57%), headache (43%), myalgia (38%) etc. Hypertension (7%) was the most common comorbidity seen. Majority of the beneficiaries (70%) took paracetamol for the treatment of the adverse effect. Conclusion(s): Majority of the vaccinated HCWs experienced minor and self-limiting adverse event following immunization (AEFI) with Chimpanzee Adenovirus Oxford novel CoronaVirus-19. No serious AEFI were reported to the AMC. Despite the record speed at which the vaccine has been developed, it has shown to have a good safety profile considering the millions of doses that have been administered.Copyright © 2023 Sai Nathan R, et al.