Background Remdesivir is approved for treatment of coronavirus disease 2019 (COVID-19)
in nonhospitalized and hospitalized adult and pediatric patients. Here we present severe …

As a pandemic hotspot in Japan, between March 1, 2020–October 1, 2022, Tokyo
metropolis experienced seven COVID-19 waves. Motivated by the high rate of COVID-19 …

Based on outdoor air pollution and meteorological daily time series observational and in-situ
monitoring data, this study investigated the impacts of environmental factors under different …

To explore the differences and relationships between the available SARS-CoV-2 strains and
predict the potential evolutionary direction of these strains, we employ the hierarchical …

Introduction The SARS-CoV-2 pandemic has had a widespread and severe impact on
society, yet there have also been instances of remarkable recovery, even in critically ill …

Background Previous studies have shown that patients with immunosuppression tend to
have longer-lasting SARS-CoV-2 infections and a number of mutations were observed …

Various diseases (eg, hypertension and diabetes) are risk factors for the exacerbation of
coronavirus 2019 (COVID-19). Patients with chronic obstructive pulmonary disease (COPD) …

Background Hospitalists may work in a variety of clinical settings to manage COVID-19
cases. However, the extent of their involvement in COVID-19 care is unknown, particularly in …

Objectives Severe acute respiratory syndrome coronavirus 2 significantly impacts Japan
with a high number of infections and deaths reported. Long coronavirus disease (COVID) …

T he large family of RNA viruses known as Coronaviridae is responsible for various
diseases, from the common cold to some severe ones like Severe Acute Respiratory …