Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused millions of
deaths and substantial morbidity worldwide. Intense scientific effort to understand the …

Covid-19 Vaccines — Immunity, Variants, Boosters | New England Journal of Medicine Skip to
main content The New England Journal of Medicine homepage Advanced Search SEARCH …

The rapid spread of the SARS-CoV-2 Omicron variant suggests that the virus might become
globally dominant. Further, the high number of mutations in the viral spike protein raised …

During the current coronavirus disease 2019 (COVID-19) pandemic, a variety of mutations
have accumulated in the viral genome of severe acute respiratory syndrome coronavirus 2 …

The unprecedented public health and economic impact of the COVID-19 pandemic caused
by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been …

Since the first cases of COVID-19 were documented in Wuhan, China in 2019, the world has
witnessed a devastating global pandemic, with more than 238 million cases, nearly 5 million …

The past several months have witnessed the emergence of SARS-CoV-2 variants with novel
spike protein mutations that are influencing the epidemiological and clinical aspects of the …

Abstract Coronavirus Disease 2019 (COVID-19) has been the most severe public health
challenge in this century. Two years after its emergence, the rapid development and …

Abstract Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is the causative
agent of the pandemic disease COVID-19, which is so far without efficacious treatment. The …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a new beta coronavirus
that emerged at the end of 2019 in the Hubei province of China. SARS-CoV-2 causes …