Human-to-animal transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) delta variant was detected at a Singapore zoo in 2021. A detailed report on this anthropogenic viral ...

During the height of the COVID pandemic, headline stories were peppered with photos of deserted streets from the world’s largest metropolises. Universities quickly began to resemble ghost towns, as ...

The World Health Organization called Friday for Chinese health authorities to release genetic sequences of SARS-CoV-2 that recently disappeared from an international database, after an analysis of the ...

The Hunan Seafood Wholesale wet market in Wuhan, China, has long been considered the most likely source of the coronavirus that caused the COVID-19 pandemic. That theory is now supported by a new ...

People spread the virus that causes Covid-19 to wild white-tailed deer in the United States more than 100 times in late 2021 and early 2022, according to a new study from the US Department of ...