Since the start of the SARS-CoV-2 pandemic, several variants of the virus have developed into Variants of Concern (VOCs), as classified by the World Health Organization (WHO). VOCs are virus variants ...

Researchers have tracked how the COVID-19 virus mutates long term, revealing patterns that could help predict the emergence of future variants. In the early days of the COVID-19 pandemic, as the world ...

The U.S. Social Security Administration has requested the National Academies of Sciences, Engineering, and Medicine establish an ad hoc committee to review the diagnosis, treatment, and prognosis of ...

Dr. Chan is a molecular biologist at the Broad Institute of M.I.T. and Harvard, and a co-author of “Viral: The Search for the Origin of Covid-19.” This article has been updated to reflect news ...

Detection of common cold coronaviruses (ccCoVs) decreased by approximately half after the widespread SARS-CoV-2 exposure and COVID-19 vaccination, whereas detection of respiratory syncytial virus (RSV ...

Researchers identify the SARS-CoV-2 protein ORF8 as a driver of lung inflammation, revealing how infected macrophages may worsen severe COVID-19.

Washington, DC, February 23, 2024 (PAHO) — On February 26, 2020, Brazil recorded the first case of COVID-19 in its territory, marking the beginning of the pandemic in Latin America and the Caribbean.

The lung-cell type that's most susceptible to infection by SARS-CoV-2, the virus that causes COVID-19, is not the one previously assumed to be most vulnerable. What's more, the virus enters this ...

Summary Since the beginning of 2026, and as of 31 August 2026, two MERS cases, including one fatality, have been reported in ...