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1.
Acta Veterinaria et Zootechnica Sinica ; 53(6):2024-2028, 2022.
Article in Chinese | CAB Abstracts | ID: covidwho-2025545

ABSTRACT

This study aimed to analyze the proliferation characteristics of porcine deltacoronavirus (PDCoV) in suspension cultured porcine kidney cells LLC-PK1, so as to provide Candidate cell for large-scale production of PDCoV inactivated vaccine. LLC-PK1 cells were suspended by gradually decreasing serum method. PDCoV adaptive monoclonal cell lines were screened by limited dilution method. Indirect immunofluorescence method was used to identify the infectivity of PDCoV. The initial cell density, MOI, time of receiving virus collection and TPCK pancreatin concentration were screened to determine the best suspension culture conditions. The suspension cell strain LLC-PK1Sa which can proliferate PDCoV efficiently was screened out;PDCoV can specifically infect LLC-PK1 cells;PDCoV inoculated LLC-PK1Sa cells with a density of 2 x 106 cells.mL-1 according to the MOI of 10-3, When the final concentration of TPCK pancreatin reached 7.5 g.mL-1, the titer of virus solution harvested 48 h after inoculation was the highest. In this study, the efficient proliferation of PDCoV in LLC-PK1Sa suspension cells was realized for the first time, and the suspension culture conditions were preliminarily optimized, which could provide theoretical reference for large-scale production of PDCoV inactivated vaccine.

2.
Journal of Nursing Management (John Wiley & Sons, Inc.) ; : 1, 2022.
Article in English | Academic Search Complete | ID: covidwho-2019489

ABSTRACT

Aim Background Methods Results Conclusions Implications for nursing management The aim of this study is to investigate the compassion satisfaction and compassion fatigue among Chinese frontline nurses during the COVID‐19 pandemic in Wuhan, China and to explore the related factors.Frontline nurses undertake a huge nursing workload with a risk of infection, causing great pressure on them and making them face a risk of compassion fatigue during the pandemic.A cross‐sectional online survey was conducted from 9 March to 15 March 2020. A total of 1582 nurses caring for critical patients with COVID‐19 participated. Compassion satisfaction and compassion fatigue (comprising burnout and secondary traumatic stress) were assessed with the Professional Quality of Life Scale, and resilience was measured with the Chinese 10‐item Connor‐Davidson Resilience Scale.Moderate levels of compassion satisfaction (36.99 ± 6.71), burnout (24.14 ± 5.33) and secondary traumatic stress (24.53 ± 5.24) were experienced by frontline nurses. Resilience and perceived work pressure were the main predictors.Frontline nurses demonstrated a moderate level of compassion satisfaction and compassion fatigue.The compassion fatigue of frontline nurses should be considered. Strategies aiming to reduce stress and enhance resilience, such as training about psychological adjustment, developing professional skills and creating a supportive workplace environment, are several options.The trial is not registered. This study is a cross‐sectional study, and according to China's clinical trial registration standards, such studies are not required to be registered. So the trial is not registered. However, oral consent was obtained from the ethics committee of the hospital before this study was conducted. [ FROM AUTHOR] Copyright of Journal of Nursing Management (John Wiley & Sons, Inc.) is the property of John Wiley & Sons, Inc. 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.)

3.
J Med Virol ; 2022 Aug 04.
Article in English | MEDLINE | ID: covidwho-1971295

ABSTRACT

Porcine deltacoronavirus (PDCoV) is a novel coronavirus that causes diarrhea in suckling piglets and has the potential for cross-species transmission, posing a threat to animal and human health. However, the susceptibility profile of different species of mice to PDCoV infection and its evolutionary characteristics are still unclear. In the current study, we found that BALB/c and Kunming mice are susceptible to PDCoV. Our results showed that there were obvious lesions in intestinal and lung tissues from the infected mice. PDCoV RNAs were detected in the lung, kidney, and intestinal tissues from the infected mice of both strains, and there existed wider tissue tropism in the PDCoV-infected BALB/c mice. The RNA and protein levels of aminopeptidase N from mice were relatively high in the kidney and intestinal tissues and obviously increased after PDCoV infection. The viral-specific IgG and neutralizing antibodies against PDCoV were detected in the serum of infected mice. An interesting finding was that two key amino acid mutations, D138H and Q641K, in the S protein were identified in the PDCoV-infected mice. The essential roles of these two mutations for PDCoV-adaptive evolution were confirmed by cryo-electron microscope structure model analysis. The evolutionary characteristics of PDCoV among Deltacoronaviruses (δ-CoVs) were further analyzed. δ-CoVs from multiple mammals are closely related based on the phylogenetic analysis. The codon usage analysis demonstrated that similar codon usage patterns were used by most of the mammalian δ-CoVs at the global codon, synonymous codon, and amino acid usage levels. These results may provide more insights into the evolution, host ranges, and cross-species potential of PDCoV.

4.
Front Cell Dev Biol ; 9: 781267, 2021.
Article in English | MEDLINE | ID: covidwho-1957146

ABSTRACT

Background: The symptoms of coronavirus disease 2019 (COVID-19) range from moderate to critical conditions, leading to death in some patients, and the early warning indicators of the COVID-19 progression and the occurrence of its serious complications such as myocardial injury are limited. Methods: We carried out a multi-center, prospective cohort study in three hospitals in Wuhan. Genome-wide 5-hydroxymethylcytosine (5hmC) profiles in plasma cell-free DNA (cfDNA) was used to identify risk factors for COVID-19 pneumonia and develop a machine learning model using samples from 53 healthy volunteers, 66 patients with moderate COVID-19, 99 patients with severe COVID-19, and 38 patients with critical COVID-19. Results: Our warning model demonstrated that an area under the curve (AUC) for 5hmC warning moderate patients developed into severe status was 0.81 (95% CI 0.77-0.85) and for severe patients developed into critical status was 0.92 (95% CI 0.89-0.96). We further built a warning model on patients with and without myocardial injury with the AUC of 0.89 (95% CI 0.84-0.95). Conclusion: This is the first study showing the utility of 5hmC as an accurate early warning marker for disease progression and myocardial injury in patients with COVID-19. Our results show that phosphodiesterase 4D and ten-eleven translocation 2 may be important markers in the progression of COVID-19 disease.

5.
Zhongguo Zhen Jiu ; 42(6): 634-8, 2022 Jun 12.
Article in Chinese | MEDLINE | ID: covidwho-1903928

ABSTRACT

OBJECTIVE: To observe the clinical effect of acupuncture on coronavirus disease 2019 (COVID-19) based on the conventional treatment. METHODS: A total of 35 patients with COVID-19 of mild or ordinary type were involved (3 cases dropped off). Acupuncture was applied on the basis of western medicine and Chinese materia medica treatment. Dazhui (GV 14), Fengchi (GB 20), Kongzui (LU 6), Hegu (LI 4), etc. were selected as the main acupoints, the supplementary acupoints and the reinforcing and reducing manipulations were selected according to syndrome differentiation. Acupuncture treatment was given once a day, 5 times a week. On day 3 and day 7 of acupuncture, relief condition of the main symptoms was observed. Before acupuncture and on day 3 and day 7 of acupuncture, efficacy evaluation scale of TCM on COVID-19 (efficacy evaluation scale) score was recorded. The effects of different intervention time of acupuncture on patients' hospitalization time were compared, the understanding of acupuncture treatment of patients discharged from hospital was recorded, the clinical efficacy and safety of acupuncture treatment were evaluated. RESULTS: On day 3 and day 7 of acupuncture, the symptoms of lung system and non lung system were both relieved; the scores of efficacy evaluation scale were both decreased compared before acupuncture (P<0.05), and the efficacy evaluation scale score of day 7 of acupuncture were lower than day 3 of acupuncture (P<0.05). The average hospitalization time of patients received early acupuncture was shorter than late acupuncture (P<0.05). The total effective rate was 84.4% (27/32) on day 7 of acupuncture, which was higher than 34.4% (11/32) on day 3 of acupuncture (P<0.05). During the acupuncture treatment, there were neither adverse reactions in patients nor occupational exposures in doctors. The patients generally believed that acupuncture could promote the recovery of COVID-19 and recommended acupuncture treatment. CONCLUSION: On the basis of the conventional treatment, acupuncture can effectively relieve the clinical symptoms in patients with COVID-19, early intervention of acupuncture can accelerate the recovery process. Acupuncture has good safety, clinical compliance and recognition of patients.


Subject(s)
Acupuncture Therapy , COVID-19 , Acupuncture Points , COVID-19/therapy , Combined Modality Therapy , Humans , Treatment Outcome
6.
Vaccine ; 40(31): 4211-4219, 2022 Jul 29.
Article in English | MEDLINE | ID: covidwho-1882606

ABSTRACT

Porcine deltacoronavirus (PDCoV) is a novel coronavirus that causes diarrhea in pigs of various ages, especially in suckling piglets, and there are no effective measures to prevent and control PDCoV currently. In this study, two adjuvants Al(OH)3 and ODN2395 working through different mechanisms were used to prepare inactivated PDCoV vaccines, and the immune effects of PDCoV inactivated vaccines were assessed in mice. From the results, we found that both PDCoV/Al(OH)3 vaccine and PDCoV/2395 vaccine could induce IgG and neutralizing antibodies with high levels in mice. At the same time, cytokines of IFN-γ, IL-4 and chemokine ligand of CXCL13 in serum were significantly increased after immunization, and reached the highest levels in PDCoV/2395 vaccine group, which suggested that PDCoV/2395 could promote the production of both Th1 and Th2 polarized cytokines. In addition, histopathological observations showed that vaccination helped mice resist PDCoV infection. These results indicated that both the two inactivated vaccines have good immune effects. Moreover, the PDCoV/2395 vaccine worked better than the PDCoV/Al(OH)3 vaccine for PDCoV/2395 having the good ability to induce both humoral and cellular immunogenicity. The PDCoV/2395 inactivated vaccine developed in this study might be an effective tool for the prevention of PDCoV infection.


Subject(s)
COVID-19 , Swine Diseases , Animals , Cytokines , Deltacoronavirus , Mice , Swine , Vaccines, Inactivated
7.
Vaccines (Basel) ; 10(5)2022 Apr 21.
Article in English | MEDLINE | ID: covidwho-1847411

ABSTRACT

Rapid development and deployment of vaccines is crucial to control the continuously evolving COVID-19 pandemic. The placebo-controlled phase 3 efficacy trial is still the standard for authorizing vaccines in the majority of the world. However, due to a lack of eligible participants in parts of the world, this has not always been feasible. Recently, the Taiwan Food and Drug Administration, following the consensus of the International Coalition of Medicines Regulatory Authorities (ICMRA), adopted the use of immunobridging studies as acceptable for authorizing COVID-19 vaccines in lieu of efficacy data. Here, we describe a study in which our candidate vaccine, MVC-COV1901, an adjuvanted protein subunit vaccine, has been granted emergency use authorization (EUA) in Taiwan based on a noninferiority immunobridging study. Immunogenicity results from the per protocol immunogenicity (PPI) subset (n = 903) from the MVC-COV1901 phase 2 trial were compared with results from 200 subjects who had received an adenovirus vector vaccine, AstraZeneca ChAdOx nCOV-19 (AZD1222), in a separate study. The lower bound of the 95% confidence interval (CI) of the geometric mean titer (GMT) ratio comparing MVC-COV1901 to AZD1222 was 3.4. The lower bound of the 95% CI of the sero-response rate was 95.5%. Both the GMT ratio and sero-response rate exceeded the criteria established by the Taiwan regulatory authority, leading to EUA approval of MVC-COV1901 in Taiwan.

8.
Environ Sci Pollut Res Int ; 2022 Apr 28.
Article in English | MEDLINE | ID: covidwho-1813814

ABSTRACT

For humankind to sustain a livable atmosphere on the planet, many countries have committed to achieving carbon neutralization. Countries mainly reduce carbon emissions by regulations through a carbon tax or by establishing a carbon market using economic stimuli. In this paper, we use the least absolute shrinkage and selection operator (LASSO) method to select the key determinants of a carbon market and then use the Markov switching vector autoregression (MSVAR) model to study the market's driving factors and analyze its time-varying characteristics. The results show that there are perceptible time-varying characteristics and notable differences among markets. During COVID-19, energy factors had a long-term shock on the carbon market, economic factors had a short-term shock on the carbon market, and the economic recession has led to fluctuations in the carbon market. In addition, through MSVAR, the results show that the energy market has a negative effect on the carbon market, and the stock market has a positive effect on the carbon market. In periods of low volatility, compared with the natural gas market and coal market, the oil market has a stronger shock on the carbon market. In periods of high volatility, the coal market has a stronger shock on the carbon market. In terms of emission reduction, countries around the world would be wise to change their energy consumption structure, reduce coal use, and shift to a cleaner energy consumption structure.

9.
EuropePMC; 2022.
Preprint in English | EuropePMC | ID: ppcovidwho-329296

ABSTRACT

Background: Rapid development and deployment of vaccine is crucial to control the continuously evolving COVID-19 pandemic. Placebo-controlled phase 3 efficacy trial is still standard for authorizing vaccines in majority of the world. However, due to lack of cases or participants in parts of the world, this has not always been feasible. An alternative to efficacy trial is immunobridging, in which the immune response or correlates of protection of a vaccine candidate is compared against an approved vaccine. Here we describe a case study where our candidate vaccine, MVC-COV1901, has been granted for emergency use authorization (EUA) locally based on the non-inferiority immunobridging process. Methods The per protocol immunogenicity (PPI) subset from the MVC-COV1901 phase 2 trial was used for this study and consisted of 903 subjects who have received two doses of MVC-COV1901 as scheduled in the clinical trial. The comparator set of population consisted of 200 subjects of ≥ 20 years of age who were generally healthy, and have received two doses of AstraZeneca ChAdOx nCOV-19 (AZD1222) recruited from Taoyuan General Hospital, Ministry of Health and Welfare. Results MVC-COV1901 was shown to have a geometric mean titer (GMT) ratio lower bound 95% confidence internal (CI) of 3.4 against the comparator vaccine and a seroconversion rate of 95.5% at the 95% CI lower bound, which both exceeded the criteria set by the Taiwan regulatory authority for EUA approval. These results supported the EUA approval of MVC-COV1901 by the Taiwanese regulatory authority in July 2021. Following the consensus of the International Coalition of Medicines Regulatory Authorities (ICMRA), countries from the Access Consortium has recently adopted the use of immunobridging studies as acceptable for authorizing COVID-19 vaccines in lieu of efficacy data. Conclusion The data presented in the study showed that it is reasonably likely that the vaccine efficacy of MVC-COV1901 is similar or superior to that of AZ. Data could be used in support of further vaccine development and regulatory approval.

10.
Viruses ; 13(12)2021 12 06.
Article in English | MEDLINE | ID: covidwho-1555020

ABSTRACT

Porcine deltacoronavirus (PDCoV) is a novel coronavirus that causes diarrhea in nursing piglets. Studies showed that PDCoV uses porcine aminopeptidase N (pAPN) as an entry receptor, but the infection of pAPN-knockout cells or pigs with PDCoV revealed that pAPN might be not a critical functional receptor, implying there exists an unidentified receptor involved in PDCoV infection. Herein, we report that sialic acid (SA) can act as an attachment receptor for PDCoV invasion and facilitate its infection. We first demonstrated that the carbohydrates destroyed on the cell membrane using NaIO4 can alleviate the susceptibility of cells to PDCoV. Further study showed that the removal of SA, a typical cell-surface carbohydrate, could influence the PDCoV infectivity to the cells significantly, suggesting that SA was involved in the infection. The results of plaque assay and Western blotting revealed that SA promoted PDCoV infection by increasing the number of viruses binding to SA on the cell surface during the adsorption phase, which was also confirmed by atomic force microscopy at the microscopic level. In in vivo experiments, we found that the distribution levels of PDCoV and SA were closely relevant in the swine intestine, which contains huge amount of trypsin. We further confirmed that SA-binding capacity to PDCoV is related to the pre-treatment of PDCoV with trypsin. In conclusion, SA is a novel attachment receptor for PDCoV infection to enhance its attachment to cells, which is dependent on the pre-treatment of trypsin on PDCoV. This study paves the way for dissecting the mechanisms of PDCoV-host interactions and provides new strategies to control PDCoV infection.


Subject(s)
Deltacoronavirus/physiology , N-Acetylneuraminic Acid/metabolism , Receptors, Virus/metabolism , Trypsin/metabolism , Virus Attachment , Animals , Carbohydrates , Cell Line , Cell Membrane/metabolism , Cell Membrane/virology , Coronavirus Infections/veterinary , Coronavirus Infections/virology , Deltacoronavirus/drug effects , Host-Pathogen Interactions , Intestines/metabolism , Intestines/virology , Periodic Acid/pharmacology , Swine , Swine Diseases/virology , Trypsin/pharmacology
12.
Atmospheric Pollution Research ; : 101209, 2021.
Article in English | ScienceDirect | ID: covidwho-1415195

ABSTRACT

Knowing the contribution rates and sharing rate of local source emissions to the atmospheric environmental capacity (AEC) is of great significance to the formulation of regional air pollution source control measures. Based on WRF-CALPUFF coupling models and the second pollution source survey data, Wuhan was taken as the research area, and the contribution rates of point and area source emissions to the SO2, NO2 and PM2.5 concentration in national pollutant control points (abbreviated as "national control points"), the AEC and its source emission sharing rate of each region were calculated. The results showed that WRF-CALPUFF had better reproducibility, the contribution rates of different pollution source emissions to the SO2, NO2 and PM2.5 concentration in national control points had obvious spatial distribution characteristics, and the contribution rates of key point sources to the SO2 concentration of each national control point exceeded 40%, while the contribution rates of the main urban area source to the NO2 and PM2.5 concentrations exceed 60%;the AEC of SO2, NO2 and PM2.5 in different regions had obvious seasonal and spatial changes, and the source emissions of NO2 and PM2.5 in the main urban area were 8.7 times and 3 times of its AEC, respectively. The calculation results from source sharing rate of regional AEC showed that the AEC of SO2 was mainly shared by point sources, and the AEC of NO2 and PM2.5 was mainly shared by area sources, but the sharing rate of SO2, NO2 and PM2.5 AEC from different regional source emissions showed different characteristics. The analysis of air quality improvement during the 7th Military World Games in 2019 and the COVID-19 pandemic in 2020 shows that the calculation formula about regional source sharing rate of AEC proposed in this paper is reasonable and the implementation of refined control to regional source emissions with the source sharing rate of regional AEC plays an important role on the continued improvement of Wuhan air quality.

13.
Environ Health Perspect ; 129(1): 11001, 2021 01.
Article in English | MEDLINE | ID: covidwho-1094062
14.
J Microbiol Immunol Infect ; 54(3): 522-526, 2021 Jun.
Article in English | MEDLINE | ID: covidwho-1056931

ABSTRACT

To determine clinical performance of the single-target SARS-CoV-2 orf 1 ab reverse transcription-insulated isothermal PCR (RT-iiPCR) assay, the positive percentage agreement between this assay and a laboratory real-time RT-PCR assay was 96.8% (30 of 31; 95% confidence interval [CI], 90.5%-100%) and the negative percentage agreement was 97.1% (67 of 69; 95% CI, 93.1%-100%).


Subject(s)
COVID-19 Nucleic Acid Testing/methods , COVID-19/diagnosis , SARS-CoV-2/isolation & purification , Adult , Aged , Female , Humans , Male , Middle Aged , RNA, Viral/isolation & purification , Reverse Transcriptase Polymerase Chain Reaction , Sensitivity and Specificity , Young Adult
15.
Sci Total Environ ; 768: 144832, 2021 May 10.
Article in English | MEDLINE | ID: covidwho-1033641

ABSTRACT

The risk factors for severe COVID-19 beyond older age and certain underlying health conditions are largely unknown. Recent studies suggested that long-term environmental exposures may be important determinants of severe COVID-19. However, very few environmental factors have been studied, often separately, without considering the totality of the external environment (i.e., the external exposome). We conducted an external exposome-wide association study (ExWAS) using the nationwide county-level COVID-19 mortality data in the contiguous US. A total of 337 variables characterizing the external exposome from 8 data sources were integrated, harmonized, and spatiotemporally linked to each county. A two-phase procedure was used: (1) in Phase 1, a random 50:50 split divided the data into a discovery set and a replication set, and associations between COVID-19 mortality and individual factors were examined using mixed-effect negative binomial regression models, with multiple comparisons addressed, and (2) in Phase 2, a multivariable regression model including all variables that are significant from both the discovery and replication sets in Phase 1 was fitted. A total of 13 and 22 variables were significant in the discovery and replication sets in Phase 1, respectively. All the 4 variables that were significant in both sets in Phase 1 remained statistically significant in Phase 2, including two air toxicants (i.e., nitrogen dioxide or NO2, and benzidine), one vacant land measure, and one food environment measure. This is the first external exposome study of COVID-19 mortality. It confirmed some of the previously reported environmental factors associated with COVID-19 mortality, but also generated unexpected predictors that may warrant more focused evaluation.


Subject(s)
COVID-19 , Exposome , Aged , Environmental Exposure/analysis , Humans , Nitrogen Dioxide , SARS-CoV-2 , United States/epidemiology
16.
Antiviral Res ; 183: 104933, 2020 11.
Article in English | MEDLINE | ID: covidwho-773873

ABSTRACT

Stimulator of interferon genes (STING), as a signaling hub in innate immunity, plays a central role for the effective initiation of host defense mechanisms against microbial infections. Upon binding of its ligand cyclic dinucleotides (CDNs) produced by the cyclic GMP-AMP synthase (cGAS) or invading bacteria, STING is activated, leading to the induction of both type I interferon responses and autophagy, which are critical for the control of certain microbial infections. RNA viruses, such as Parainfluenza virus (PIV) and Rhinovirus (HRV), are among the leading causes of respiratory infections that affect human health without effective treatments. Activation of STING pathway may provide a new therapeutic approach fighting against these viruses. However, the role of STING in the control of RNA virus infection remains largely unexplored. In this study, using dimeric amidobenzimidazole (diABZI), a newly discovered synthetic small molecule STING receptor agonist with much higher potency than CDNs, we found that activation of STING elicits potent antiviral effects against parainfluenza virus type 3 (PIV3) and human rhinovirus 16 (HRV16), two representative respiratory viral pathogens. Notably, while anti-PIV3 activity was depend on the induction of type I interferon responses through TANK-binding kinase 1 (TBK1), anti-HRV16 activity required the induction of autophagy-related gene 5 (ATG5)-dependent autophagy, indicating that two distinct antiviral mechanisms are engaged upon STING activation. Antiviral activity and individual specific pathway was further confirmed in infected primary bronchial epithelial cells. Our findings thus demonstrate the distinct antiviral mechanisms triggered by STING agonist and uncover the potential of therapeutic effect against different viruses.


Subject(s)
Antiviral Agents/pharmacology , Membrane Proteins/agonists , Parainfluenza Virus 3, Human/drug effects , Rhinovirus/drug effects , Signal Transduction/drug effects , Virus Replication/drug effects , Animals , Antiviral Agents/chemical synthesis , Autophagy , Cell Line , Cells, Cultured , HeLa Cells , Humans , Immunity, Innate , Mice , Parainfluenza Virus 3, Human/physiology , RAW 264.7 Cells , Rhinovirus/physiology , Signal Transduction/immunology , THP-1 Cells
17.
J Vet Sci ; 21(1): e12, 2020 Jan.
Article in English | MEDLINE | ID: covidwho-124741

ABSTRACT

Porcine deltacoronavirus (PDCoV) is an emerging swine enteric coronavirus that causes diarrhea in piglets. However, the biological characteristics of PDCoV are unclear. In this study, the hemagglutination (HA) abilities of two PDCoV strains (CH-01 and HNZK-04) were investigated. Our results showed that PDCoV has the ability to agglutinate rabbit erythrocytes after virion pretreatment with trypsin or neuraminidase. Additionally, the HA assay results showed a significant positive correlation with the infectious viral titer. Our results suggest that assessing the HA activity of PDCoV may be a useful diagnostic method for investigating and surveilling PDCoV infections.


Subject(s)
Coronavirus Infections/veterinary , Coronavirus/physiology , Hemagglutination , Swine Diseases/immunology , Animals , Coronavirus Infections/immunology , Coronavirus Infections/virology , Diarrhea/immunology , Diarrhea/veterinary , Diarrhea/virology , Erythrocytes/immunology , Neuraminidase/administration & dosage , Rabbits , Swine , Swine Diseases/virology , Trypsin/administration & dosage , Virion/drug effects
18.
Aging Med (Milton) ; 3(2): 74-81, 2020 Jun.
Article in English | MEDLINE | ID: covidwho-23151

ABSTRACT

The novel coronavirus (2019-nCoV) was first detected in patients with pneumonia of an unknown cause in Wuhan, China in December 2019. It has since been confirmed as the pathogen for the new coronavirus pneumonia, recently named "coronavirus disease 2019" (COVID-19) by the World Health Organization. Although the general population is commonly susceptible to the disease, infected elderly people show fast progression and severe manifestations with a high proportion in critical condition as a result of compromised immunity and underlying diseases. In order to improve the quality of nursing, reduce complications, and decrease mortality of critically ill elderly patients, we assembled a national expert group with expertise in critical nursing to write this consensus, based on a literature review and a subsequent panel discussion. The consensus covers the assessment, clinical nursing, discharge care, and other aspects of care for critically ill elderly patients with COVID-19, aiming to share insights and provide guidance for clinical practice.

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