Background Nirmatrelvir–ritonavir has been authorized for emergency use by many
countries for the treatment of coronavirus disease 2019 (Covid-19). However, the supply …

Cytokine release syndrome (CRS) is a severe clinical syndrome marked by drastic elevation
of inflammatory cytokines such as interleukin (IL)-1, IL-6, and tumor necrosis factor (TNF) …

A recent letter published in this journal provided the data of COVID-19 naturally recovered
cases at the Fangcang shelter hospital, a type of basic medical facility converted from public …

While quality environments (eg, greenery) have been widely reported to alleviate residents'
psychological stress during COVID-19 quarantines, this study argues that roles of the built …

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron (B.
1.1. 529) variant is highly transmissible with potential immune escape. Hence, control …

Fig. 1. Setting of the restaurant.(A) Floor plan;(B) image obtained from the video camera. out
both close contact and fomite routes. In this specific context, we found that close contact …

Background The sustainability and generalizability of China's dynamic zero-COVID strategy
on eliminating SARS-CoV-2 transmission has casted doubt globally, mainly because it has …

The COVID-19 outbreak followed by the strict citywide lockdown in Shanghai has sparked
negative emotion surges on social media platforms in 2022. This research aims to …

Background With the variability in emerging data, guidance on the isolation duration for
patients with coronavirus disease 2019 (COVID-19) due to the Omicron variant is …

Background Omicron variant of the severe acute respiratory syndrome coronavirus-2 (SARS-
CoV-2) has rapidly become a global threat to public health. Numerous asymptomatic and …