Your browser doesn't support javascript.
Show: 20 | 50 | 100
Results 1 - 20 de 13.245
Filter
Add filters

Year range
1.
Int J Environ Res Public Health ; 18(11)2021 May 23.
Article in English | MEDLINE | ID: covidwho-1266716

ABSTRACT

Back pain is one of the most costly disorders among the worldwide working population. Within that population, healthcare workers are at a high risk of back pain. Though they often demonstrate awkward postures and impaired balance in comparison with healthy workers, there is no clear relationship between compensatory postural responses to unpredictable stimuli and the strength of related muscle groups, in particular in individuals with mild to moderate back pain. This paper presents a study protocol that aims to evaluate the relationship between peak anterior to peak posterior displacements of the center of pressure (CoP) and corresponding time from peak anterior to peak posterior displacements of the CoP after sudden external perturbations and peak force during a maximum voluntary isometric contraction of the back and hamstring muscles in physiotherapists with non-specific back pain in its early stages. Participants will complete the Oswestry Disability Questionnaire. Those that rate their back pain on the 0-10 Low Back Pain Scale in the ranges 1-3 (mild pain) and 4-6 (moderate pain) will be considered. They will undergo a perturbation-based balance test and a test of the maximal isometric strength of back muscles and hip extensors. We assume that by adding tests of reactive balance and strength of related muscle groups in the functional testing of physiotherapists, we would be able to identify back problems earlier and more efficiently and therefore address them well before chronic back disorders occur.

2.
Am J Phys Med Rehabil ; 100(4): 307-312, 2021 04 01.
Article in English | MEDLINE | ID: covidwho-1266237

ABSTRACT

OBJECTIVE: The clinical manifestations of COVID-19 range from mild symptoms to severe pneumonia and severe organ damage. When evaluated specifically for pain, the data so far have shown that myalgia, headache, and chest pain can be seen in patients at varying rates; myalgia and headache, especially, are among the initial symptoms. DESIGN: This retrospective chart review, followed by a descriptive survey design study, was carried out by examining patients afflicted with COVID-19. After discharge, patients were asked about the severity and the body region of their pain, their use of analgesics, their mood and mental health, and their overall quality of life. RESULTS: A total of 206 patients with a mean age of 56.24 ± 16.99 yrs were included in the study. Pain during COVID-19 was found to be higher compared with the preinfectious and postinfectious states. The most frequent painful areas were reported to be the neck and back before the infection, whereas the head and limbs during the infection. The most frequently used analgesic during infection was paracetamol. There was no relationship between the patients' pain and anxiety and depression; the quality of life was found to be worse in patients with persistent pain. CONCLUSIONS: This study showed that the head and limbs were the most common painful body regions during COVID-19. It was also found that pain can continue in the postinfection period.


Subject(s)
/epidemiology , Myalgia/diagnosis , Pain Measurement/statistics & numerical data , Adult , Aged , Female , Headache/diagnosis , Humans , Low Back Pain/diagnosis , Male , Middle Aged , Myalgia/etiology , Neck Pain/diagnosis , Physical Examination , Primary Health Care/methods , Retrospective Studies
3.
Indian Journal of Public Health Research and Development ; 12(3):285-293, 2021.
Article in English | EMBASE | ID: covidwho-1267067

ABSTRACT

Background: COVID-19 has been a pandemic and global disaster since the beginning of 2020 However, there is a lack of city/locale based studies on status and trends of COVID-19 in India Aim: The study aims to report the tests, total cases, cases per age group, zone wise confirmed cases and the status of hospitalization / home quarantining for COVID-19 for the smart city of Vadodara Methods: A retrospective secondary data analysis conducted on all the COVID-19 cases reported from 3rd April to 15th September 2020 for the city of Vadodara Data were accessed through the Website of Vadodara Municipal Corporation and analyzed on cumulative number of tests, positive cases, deaths and patients’ recovery for comparison of Vadodara with the State, National and International statistics Results: COVID-19 was found to be more prevalent among males The age group of 51-60 years had the highest number of cases The number of deaths was highest in the age group of 61-70 years Nonetheless, case fatality rate was highest in the age group of 71-80 years Vadodara also has shown a steady decrease in test positivity rate and fared better in terms of recovery rate as compared to Gujarat, India and the world However, 15 day moving average of positive cases and deaths indicated that there will be an increase of the cases in near future Conclusion: Vadodara showed positive trends in managing the COVID-19 pandemic Vadodara administration had managed to reduce the case fatality rate as compared to Gujarat, India and rest of the world

4.
Educational Process: International Journal ; 10(2):83-99, 2021.
Article in English | Scopus | ID: covidwho-1267018

ABSTRACT

Background/purpose-COVID-19 emerged at a time when many different psychological factors can negatively affect the human psychology, and thereby making life even more difficult over and above the physical health impact As known, with the development of modern-day technology, Internet usage has become a part of everyday life However, this situation often brings about the problem of Internet addiction A positive relationship is known to exist between Internet addiction and psychological problems This study aims to examine the moderator effect of COVID-19 fear on the "mediating role of boredom proneness in relationship between internet addiction and DASS-21 " Materials/methods-In the current study, the effect of boredom proneness in this relationship was examined through the mediator effect of boredom proneness in the relationship between Internet addiction and the "Depression, stress and anxiety scale" DASS-21 Then, the moderator effect of the fear of COVID-19 was examined on the mediator role, which constitutes the main purpose of this research For these purposes, 560 students studying at the undergraduate level at state universities in Turkey were reached as a sample In the analysis of the collected data;parametric tests, correlation test, structural equation model, and moderator analysis were employed Results-In the model in which the moderator effect of COVID-19 fear was examined;it appears that fear of COVID-19 increases the relationship between Internet addiction and boredom proneness It also increases the relationship between boredom proneness and DASS-21 However, no significant moderator effect was found to exist in the relationship between Internet addiction and DASS-21 Conclusion-This study shows that the fear of COVID-19 has a significant effect on Internet addiction, boredom proneness, and psychological problems This research was conducted based on the analysis of certain variables, presentation of the results and their subsequent discussion, and the putting forward of various suggestions © 2021 Universitepark All rights reserved

5.
International Journal of Pediatrics-Mashhad ; 9(7):13937-13945, 2021.
Article in English | Web of Science | ID: covidwho-1267015

ABSTRACT

Background The present study aimed to evaluate the accuracy of enzyme-linked immunosorbent assay (ELISA) compared to the real-time reverse transcription-polymerase chain reaction (rRT-PCR) in the diagnosis of coronavirus disease 2019 (COVID-19) in Iranian children Materials and Methods In this cross-sectional study, 90 children under 15 years of age were randomly selected from suspects of COVID-19 referred to the Tabriz Children Hospital, the main pediatric COVID-19 diagnostic center of Tabriz, from May 21, 2020 to June 21, 2020 Blood and nasopharyngeal samples were taken simultaneously at the referring time The diagnostic accuracy of ELISA-based IgM and IgG antibody tests for COVID-19 were compared with the rRT-PCR Results The calculated sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio, negative likelihood ratio, overall diagnostic accuracy, and diagnostic odds ratio were 0 5745, 0 9767, 0 9643, 0 6774, 24 66, 0 4357, 0 7667, and 56 60 for IgM;and 0 6170, 0 9302, 0 9355, 0 6897, 8 84, 0 4117, 0 7667, and 21 47 for IgG, respectively Conclusion Due to the lower sensitivity of antibody detection-based serological tests compared to rRT-PCR, they cannot be considered as initial and reliable tests for the diagnosis of COVID-19 It can be suggested that the serological tests be only used as complementary tests to rRT-PCR or for monitoring the immune response of children with COVID-19

6.
Revista Do Servico Publico ; 72(1):133-162, 2021.
Article in Portuguese | Web of Science | ID: covidwho-1267012

ABSTRACT

From the pandemic imposed by the new coronavirus, teleworking proved to be a promising and desirable work arrangement alternative in times of social isolation, so that it has received increasingly priority attention in human resources management research agendas in the public sector Federal Data Processing Service (Serpro) was one of the pioneers in adopting teleworking in Brazil and, therefore, it was the locus of this study This study explored the positive and negative sides of teleworking in Serpro from the point of view of managers, teleworkers and colleagues and also compared teleworkers and no teleworkers with regard to the professional performance, work context and work well-being The research method included questionnaires and textual analysis, analysis of variance and Mann-Whitney tests About the positive sides of teleworking, the most relevant points were productivity increase and quality of life increase About negative sides, technical difficulties and social interaction limitations can be pointed out Results also showed that teleworkers have more positive perceptions about work context, professional performance and work well-being This study provides a reflective look on adopting and implementing teleworking for public managers

7.
Ann Palliat Med ; 2021.
Article in English | PubMed | ID: covidwho-1267010

ABSTRACT

BACKGROUND: Since the outbreak of the novel coronavirus disease 2019 (COVID-19), medical staff and affiliated healthcare staff are under both physical and psychological pressures Due to this serious situation, it is extremely important to assess the prevalence and possible predictors of psychological distress in front-line, anti-epidemic medical staff METHODS: A cross-sectional study was conducted through the use of the network crowdsourcing platform (which provides functions equivalent to Amazon Mechanical Turk) in Jilin, China A total of 725 Jilin medical staff who had returned from Wuhan participated in the survey The collected data included demographics and psychological responses to COVID-19, and the following tests were used to measure the data: (I) the Social Support Rate Scale (SSRS) was used to measure the types and levels of social support that were received by the medical staff;(II) the Stanford Acute Stress Reaction Questionnaire (SASRQ) was used to evaluate anxiety and dissociation symptoms in the aftermath of traumatic events;(III) the Pittsburgh Sleep Quality Index (PSQI) was used to measure sleep quality;and (IV) the Kessler Psychological Distress Scale (K10) was used to evaluate nonspecific psychological distress The χ² test, Kruskal-Wallis test, ANOVA test and binary logistic regression were used to identify the factors that were correlated with psychological distress RESULTS: In our study, 475 (65 5%) participants reported low psychological distress, and 72 (10%) participants reported high psychological distress The results of the binary logistic regression analysis identified that the performance of physical activity in Wuhan (β=-0 585;P15 years: β=-0 562;P=0 016;OR =0 570) were protective factors for the possibility of having a mental disorder, whereas a high PSQI score (β=0 106;P=0 024;OR =1 112) and a high SASRQ score (β=0 242;P<0 001;OR =1 274) were risk factors CONCLUSIONS: The high psychological distress (10%) of Jilin medical staff who returned from the frontline areas of Wuhan was higher than that in other studies Medical staff with less physical activity and work experience in Wuhan, as well as high PSQI and SASRQ scores, had higher psychological distress

8.
Annali di Igiene ; 11:11, 2021.
Article in English | MEDLINE | ID: covidwho-1266912

ABSTRACT

Introduction: A large amount of recent research has focused on the nature of immunity elicited by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, particularly its robustness and the duration of protection it offers As a vaccine's efficacy relies on its ability to induce a protective immune response, these questions remain particularly pertinent An improved understanding of the immunity offered by the antibodies developed against SARS-CoV-2 in recovered patients is critical for the development of diagnostic tests and vaccines Methods: Our study aimed at the longitudinal analysis of antibody presence, persistence and its trend over eight months in a group of 30 COVID-19 recovered patients who tested positive by real-time quantitative PCR for SARS-CoV-2 in the period 1-30 March 2020 The subjects were divided into two groups based on disease severity: mild (n=17 subjects) and moderately-severe (n=13 subjects) The MAGLUMI 2019-nCoV lgM/lgG chemiluminescent analytical system (CLIA) assay was used to analyze these antibody titres Results: IgG antibody persistency was demonstrated in 76 7 % of the subjects (23 out of 30) at eight months post-infection For the moderately-severe group, the titre trends for both IgM and IgG changed in a statistically significant way throughout the time period with IgM below and IgG above the set cut-off Conclusions: The results of this study highlight an important point in terms of the association between humoral immune response and disease severity Patients who have experienced a relatively severe infection might develop a stronger immune response that could persist for a longer period

9.
The Western Journal of Emergency Medicine ; 22(3), 2021.
Article in English | ProQuest Central | ID: covidwho-1266890

ABSTRACT

Some experts have promoted the use of rapid testing for COVID-19 However, with the current technologies available, continuing to replace laboratory-based, real-time reverse transcription polymerase chain reaction tests with rapid (point-of-care) tests may lead to an increased number of false negative tests Moreover, the more rapid dissemination of false negative results that can occur with the use of rapid tests for COVID-19 may lead to increased spread of the novel coronavirus if patients do not understand the concept of false negative tests One means of combatting this would be to tell patients who have a “negative” rapid COVID-19 test that their test result was “indeterminate ”

10.
The Western Journal of Emergency Medicine ; 22(3), 2021.
Article in English | ProQuest Central | ID: covidwho-1266877

ABSTRACT

Introduction: The clinical presentation of coronavirus disease 2019 (COVID-19) overlaps with many other common cold and influenza viruses Identifying patients with a higher probability of infection becomes crucial in settings with limited access to testing We developed a prediction instrument to assess the likelihood of a positive polymerase chain reaction (PCR) test, based solely on clinical variables that can be determined within the time frame of an emergency department (ED) patient encounter Methods: We derived and prospectively validated a model to predict SARS-CoV-2 PCR positivity in patients visiting the ED with symptoms consistent with the disease Results: Our model was based on 617 ED visits In the derivation cohort, the median age was 36 years, 43% were men, and 9% had a positive result The median time to testing from the onset of initial symptoms was four days (interquartile range [IQR]: 2-5 days, range 0-23 days), and 91% of all patients were discharged home The final model based on a multivariable logistic regression included a history of close contact (adjusted odds ratio [AOR] 2 47, 95% confidence interval [CI], 1 29-4 7);fever (AOR 3 63, 95% CI, 1 931-6 85);anosmia or dysgeusia (AOR 9 7, 95% CI, 2 72-34 5);headache (AOR 1 95, 95% CI, 1 06-3 58), myalgia (AOR 2 6, 95% CI, 1 39-4 89);and dry cough (AOR 1 93, 95% CI, 1 02-3 64) The area under the curve (AUC) from the derivation cohort was 0 79 (95% CI, 0 73-0 85) and AUC 0 7 (95% CI, 0 61-0 75) in the validation cohort (N = 379) Conclusion: We developed and validated a clinical tool to predict SARS-CoV-2 PCR positivity in patients presenting to the ED to assist with patient disposition in environments where COVID-19 tests or timely results are not readily available

11.
Cogitare Enfermagem ; 26, 2021.
Article in Portuguese | Scopus | ID: covidwho-1266867

ABSTRACT

Objective: to identify depression symptoms in Nursing professionals during the COVID-19 pandemic Method: a cross-sectional and observational study, conducted with Nursing professionals through an electronic form in the five Brazilian regions An instrument with general information was used, as well as the Patient Health Questionnaire-9 to identify depression symptoms The Student’s t hypothesis and Analysis of Variance tests were adopted Results: the participants were 3,249 professionals Of these, 2,092 (64 4%) did not present depression symptoms or presented minimal symptoms;603 (18 6%) presented moderate symptoms;330 (10 2%) had moderate to severe symptoms;and 224 (6 9%), severe symptoms Women, workers from the North region, young adults, single and with an income of up to four minimum wages presented higher depression scores (p0 05) Conclusion: the Nursing professionals did not present depression symptoms, or presented mild symptoms of the disease Variables such as gender, age group, marital status, region of the country, having contact with people infected by COVID-19, and not using masks presented significant differences with depression symptoms © 2020 Trans Tech Publications Ltd, Switzerland

12.
Romanian Journal of Legal Medicine ; 28(4):465-469, 2020.
Article in English | Web of Science | ID: covidwho-1266860

ABSTRACT

Defensive dentistry, defined as dental care provided by professionals, aiming primarily to prevent the risk of litigation, has become, more and more, a popular choice among practitioners, in their daily practice, over the past decade Being divided in "positive", when performing unnecessary diagnostic tests or prescribing unnecessary treatment and "negative", when avoiding high-risk patients or risky procedures, defensive dentistry's adverse effects raised the cost and lowered the quality of the healthcare provided for patients COVID-19 pandemic has changed the current clinical scenario in all medical practices, including dentistry, increasing the risk for performing defensive dentistry The aim of the present paper was to bring new insights into the field of defensive dentistry and to highlight the impact of COVID-19 pandemic on patient's treatment Pubmed/MEDLINE and Embase/SCOPUS databases have been revised for articles in English language using as keywords "defensive medicine", "defensive dentistry", and "Covid-19", "SARS-CoV-2", "Coronavirus" associated with "dentistry" The selected papers were critically assessed and corroborated with the changes occurred in the last months due to the high contagiousness of COVID-19 and the inherent risks for dental professionals, requiring multiple precautions during patient care or postponing patients treatments Defensive dentistry need to be recognized and avoid, as possible Dental practitioners, their team, and patients, as well, need to adapt, based on evidence-based update of medical knowledge, to the new scenario created by the COVID-19 pandemic

13.
Journal of Pharmacy and Bioallied Sciences ; 13(5):48-51, 2021.
Article in English | ProQuest Central | ID: covidwho-1266818

ABSTRACT

Novel coronavirus (nCoV) first emerged in Hubei province of China in December 2019 The virus initially known as 2019-nCoV was renamed to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) by the International Committee on Taxonomy of Viruses The associated disease is known as coronavirus disease 2019 (COVID-19) As the COVID-19 pandemic has unfolded, interest has grown in antibody testing as a way to measure how far the infection has spread and to identify individuals who may be immune Molecular diagnostic tests like polymerase chain reaction are developed rapidly, however they are not able to fulfill all the requirements of an epidemic reaction Hence, to complement molecular diagnostic tests, serology tests emerged as a vital aspect of the overall response by confirming the presence of antibodies during the early stage of the infection Antibody tests help in assessing herd immunity, data about the ongoing phase of infection, identifying potential donors for convalescent plasma therapy, etc This review currently focuses on giving an overview about the antibody tests in SARS-CoV-2 infections

14.
Journal of Global Infectious Diseases ; 13(2):91-93, 2021.
Article in English | ProQuest Central | ID: covidwho-1266810

ABSTRACT

Introduction: Tests detecting SARS-CoV-2-specific antigen have recently been developed, and many of them are now commercially available However, the real-world performance of these assays is uncertain;therefore, their validation is important In this study, we have evaluated the performance of STANDARD F COVID-19 antigen fluorescence immunoassay (FIA) kit Methods: Nasopharyngeal samples collected from patients were subjected to the test as per manufacturer's instructions The performance of the kit was compared with the gold standard real-time polymerase chain reaction Results: A total of 354 patients were tested with STANDARD F COVID-19 antigen FIA test kit The overall sensitivity, specificity, positive predictive value, and negative predictive value of this test were found to be 38%, 99%, 96 2%, and 72%, respectively, with a diagnostic accuracy of 75 7% Conclusion: STANDARD F COVID-19 antigen FIA showed high specificity and positive predictive value but low sensitivity and negative predictive value

15.
Turkish Journal of Electrical Engineering & Computer Sciences ; 29(3):1628-1642, 2021.
Article in English | Academic Search Complete | ID: covidwho-1266790

ABSTRACT

The COVID-19 pandemic has had a widespread impact on health and economy across the globe It is leading to a huge number of deaths per day Few researchers have been attracted to analyzing the mortality rate of COVID-19 from various perspectives During the research, it has become evident that these fatalities are not only caused by COVID-19, but they are also affected by some other factors The authors of this paper aim to encompass three important types of factors viz risk factors, clinical factors, and miscellaneous factors that influence the mortality of COVID-19 This manuscript presents a rule-based model under the Mamdani-based fuzzy expert system (FES) to analyze the mortality rate of the highly contagious COVID-19 The proposed model creates three FESs and thereafter generates the final FES which aggregates these three FESs The FES for risk value considers 5 aggregate factors viz immunity, temperature, ventilation, population density, and pollution The second FES is to model the clinical facilities based on ICU count, quarantine centers, and tests performed The third FES is created to model the miscellaneous factors Finally, the concluding FES combines three base FESs to evaluate the mortality value The results obtained by the suggested model are promising and hence advocate the efficacy of the proposed model [ABSTRACT FROM AUTHOR] Copyright of Turkish Journal of Electrical Engineering & Computer Sciences is the property of Scientific and Technical Research Council of Turkey 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 abstract 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 abstract (Copyright applies to all Abstracts )

16.
Materials ; 14(11):3091, 2021.
Article in English | ProQuest Central | ID: covidwho-1266754

ABSTRACT

Carbazole derivatives are the structural key of many biologically active substances, including naturally occurring and synthetic ones Three novel (E)-2-(2-(4-9H-carbazol-9-yl)benzylidene)hydrazinyl)triazole dyes were synthesized with different numbers of chlorine substituents attached at different locations The presented research has shown the influence of the number and position of attachment of chlorine substituents on electrochemical, optical, nonlinear, and biological properties The study also included the analysis of the use of the presented derivatives as potential fluorescent probes for in vivo and in vitro tests Quantum-chemical calculations complement the conducted experiments

17.
International Journal of Environmental Research and Public Health ; 18(11):5954, 2021.
Article in English | ProQuest Central | ID: covidwho-1266730

ABSTRACT

Background: Social media offers a cost-effective and wide-reaching advertising platform for marketers Objectively testing the effectiveness of social media advertising remains difficult due to a lack of guiding frameworks and applicable behavioral measures This study examines advertising appeals’ effectiveness in driving engagement and actions on and beyond social media platforms Method: In an experiment, positive, negative and coactive ads were shared on social media and promoted for a week The three ads were controlled in an A/B testing experiment to ensure applicable comparison Measures used included impressions, likes, shares and clicks following the multi-actor social media engagement framework Data were extracted using Facebook ads manager and website data Significance was tested through a series of chi-square tests Results: The promoted ads reached over 21,000 users Significant effect was found for appeal type on engagement and behavioral actions The findings support the use of negative advertising appeals over positive and coactive appeals Conclusion: Practically, in the charity and environment context, advertisers aiming to drive engagement on social media as well as behavioral actions beyond social media should consider negative advertising appeals Theoretically, this study demonstrates the value of using the multi-actor social media engagement framework to test advertising appeal effectiveness Further, this study proposes an extension to evaluate behavioral outcomes

18.
Frontiers in Artificial Intelligence ; 4:598932, 2021.
Article in English | MEDLINE | ID: covidwho-1266690

ABSTRACT

The newly discovered Coronavirus Disease 2019 (COVID-19) has been globally spreading and causing hundreds of thousands of deaths around the world as of its first emergence in late 2019 The rapid outbreak of this disease has overwhelmed health care infrastructures and arises the need to allocate medical equipment and resources more efficiently The early diagnosis of this disease will lead to the rapid separation of COVID-19 and non-COVID cases, which will be helpful for health care authorities to optimize resource allocation plans and early prevention of the disease In this regard, a growing number of studies are investigating the capability of deep learning for early diagnosis of COVID-19 Computed tomography (CT) scans have shown distinctive features and higher sensitivity compared to other diagnostic tests, in particular the current gold standard, i e , the Reverse Transcription Polymerase Chain Reaction (RT-PCR) test Current deep learning-based algorithms are mainly developed based on Convolutional Neural Networks (CNNs) to identify COVID-19 pneumonia cases CNNs, however, require extensive data augmentation and large datasets to identify detailed spatial relations between image instances Furthermore, existing algorithms utilizing CT scans, either extend slice-level predictions to patient-level ones using a simple thresholding mechanism or rely on a sophisticated infection segmentation to identify the disease In this paper, we propose a two-stage fully automated CT-based framework for identification of COVID-19 positive cases referred to as the "COVID-FACT" COVID-FACT utilizes Capsule Networks, as its main building blocks and is, therefore, capable of capturing spatial information In particular, to make the proposed COVID-FACT independent from sophisticated segmentations of the area of infection, slices demonstrating infection are detected at the first stage and the second stage is responsible for classifying patients into COVID and non-COVID cases COVID-FACT detects slices with infection, and identifies positive COVID-19 cases using an in-house CT scan dataset, containing COVID-19, community acquired pneumonia, and normal cases Based on our experiments, COVID-FACT achieves an accuracy of 90 82 % , a sensitivity of 94 55 % , a specificity of 86 04 % , and an Area Under the Curve (AUC) of 0 98, while depending on far less supervision and annotation, in comparison to its counterparts

19.
Frontiers in Pediatrics ; 9:7, 2021.
Article in English | Web of Science | ID: covidwho-1266674

ABSTRACT

The coronavirus (COVID-19) pandemic has impacted education systems globally, making digital devices common arrangements for adolescent learning However, vision consequences of such behavioral changes are not well-understood This study investigates the association between duration of daily digital screen engagement and myopic progression among 3,831 Chinese adolescents during the COVID-19 pandemic Study subjects report an average of 2 70 (SD = 1 77), 3 88 (SD = 2 23), 3 58 (SD = 2 30), and 3 42 (SD = 2 49) hours of television, computer, and smartphone for digital learning use at home, respectively Researchers analyzed the association between digital screen use and myopic symptoms using statistical tools, and find that every 1 h increase in daily digital screen use is associated with 1 26 OR [Odds Ratio] (95% CI [Confidence Interval: 1 21-1 31, p < 0 001]) higher risks of myopic progression Using computers (OR = 1 813, 95% CI = 1 05-3 12, p = 0 032) and using smartphones (OR = 2 02, 95% CI = 1 19-3 43, p = 0 009) are shown to be associated with higher risks of myopic progression than television use Results from additional sensitivity tests that included inverse probability weights which accounted for heterogeneous user profile across different device type categories confirm that these findings are robust In conclusion, this study finds that daily digital screen use is positively associated with prevalence of myopic progression and holds serious vision health implications for adolescents

20.
Euro Surveillance: Bulletin Europeen sur les Maladies Transmissibles = European Communicable Disease Bulletin ; 26(23), 2021.
Article in English | MEDLINE | ID: covidwho-1266638

ABSTRACT

To assess SARS-CoV-2 variants spread, we analysed 36,590 variant-specific reverse-transcription-PCR tests performed on samples from 12 April-7 May 2021 in France In this period, contrarily to January-March 2021, variants of concern (VOC) beta (B 1 351 lineage) and/or gamma (P 1 lineage) had a significant transmission advantage over VOC alpha (B 1 1 7 lineage) in Ile-de-France (15 8%;95% confidence interval (CI): 15 5-16 2) and Hauts-de-France (17 3%;95% CI: 15 9-18 7) regions This is consistent with VOC beta's immune evasion abilities and high proportions of prior-SARS-CoV-2-infected persons in these regions

SELECTION OF CITATIONS
SEARCH DETAIL