A key step in the origin of many pandemics occurs when an animal-borne virus infects humans and then evolves to spread more ...

A new paper in Genome Biology and Evolution, indicates that while the COVID-19 virus has developed rapidly since 2019, it has done so within limited genetic channels. These genetic limits have ...

A new variant of COVID-19 is spreading across the U.S., health officials say. At least 23 countries have reported the SARS-CoV-2 BA.3.2 variant as of Feb. 11, according to a study published last week ...

Researchers have devised a new tool for discerning between naturally occurring viral outbreaks and those resulting from lab accidents. By Carl Zimmer The Covid pandemic was an extraordinary moment in ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. It has been almost six years since the World Health Organization ...