This systematic review and meta-analysis was conducted to compare the safety and efficacy
of 2019 novel coronavirus disease (COVID-19) vaccines according to vaccine platform and …

Background Olfactory dysfunction (OD) has been reported in coronavirus disease 2019 (COVID-19).
However, there are knowledge gaps about the severity, prevalence, etiology, and …

Background Coronavirus disease 2019 (COVID-19) causes severe community and nosocomial
outbreaks. Comprehensive data for serial respiratory viral load and serum antibody …

Background An ongoing outbreak of pneumonia associated with a novel coronavirus was
reported in Wuhan city, Hubei province, China. Affected patients were geographically linked …

The 2019 novel coronavirus (2019-nCoV) was detected in the self-collected saliva of 91.7%
(11/12) of patients. Serial saliva viral load monitoring generally showed a declining trend. …

Background Effective antiviral therapy is important for tackling the coronavirus disease 2019
(COVID-19) pandemic. We assessed the efficacy and safety of combined interferon beta-1b, …

Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) omicron
variant, designated as a variant of concern by the World Health Organization, carries …

Despite extensive laboratory investigations in patients with respiratory tract infections, no
microbiological cause can be identified in a significant proportion of patients. In the past 3 years…

We identified seasonal human coronaviruses, influenza viruses and rhinoviruses in exhaled
breath and coughs of children and adults with acute respiratory illness. Surgical face masks …

Although the finding of severe acute respiratory syndrome coronavirus (SARS-CoV) in
caged palm civets from live animal markets in China has provided evidence for interspecies …