Coronavirus disease (COVID-19) is a respiratory disease affecting many people and able to be transmitted through direct and perhaps indirect contact. Direct contact transmission, mediated by aerosols ...

Coronavirus disease 2019 (COVID-19) is a disease caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). These have become household terms since the start of the global COVID-19 ...

Two of the closest known relatives to SARS-CoV-2 — a pair of bat coronaviruses discovered by researchers in Laos — may transmit poorly in people despite being genetically similar to the ...

LONDON (Reuters) - A series of studies of the genomes of thousands of samples of the new coronavirus SARS-CoV-2 show that it is mutating and evolving as it adapts to its human hosts. Here's what ...

The question of the origin of SARS-CoV-2 continues to occupy scientists, the media, and the public intensely even 5 years after the onset of the COVID-19 pandemic. Where the virus came from, when and ...