The first dominant SARS‐CoV‐2 Omicron variant BA. 1 harbours 35 mutations in its Spike
protein from the original SARS‐CoV‐2 variant that emerged late 2019. Soon after its …

The COVID-19 pandemic has had a significant global impact, with more than 280,000,000
people infected and 5,400,000 deaths. The use of personal protective equipment and the …

The Omicron variant of the severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2)
has now spread throughout the world. We used computational tools to assess the spike …

The new SARS-CoV-2 variant of concern “Omicron” was recently spotted in South Africa and
spread quickly around the world due to its enhanced transmissibility. The variant became …

Background Four severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants
predominated in the United States since 2021. Understanding disease severity related to …

Background The aim of this study was to estimate the prevalence of self‐reported
chemosensory dysfunction in a study cohort of subjects who developed a mild‐to‐moderate …

Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Delta
variant has been replaced by the highly transmissible Omicron BA. 1 variant, and …

SARS-CoV-2 Omicron rapidly outcompeted other variants and currently dominates the
COVID-19 pandemic. Its enhanced transmission and immune evasion are thought to be …

Methods Clinical and demographic characteristics and viral testing data were obtained from
medical record data from a freestanding children's hospital in Boston, Massachusetts …

新型冠状病毒Omicron (B. 1.1. 529) 变异株具有传播力强, 传播速度快, 免疫逃逸显著等特点,
给新型冠状病毒肺炎疫情防控带来新的挑战. 该变异株于2021 年11 月在南非被发现后, 历时2 …