American researchers believe they've pinpointed when and where Covid first emerged — and it might not have been in China. Researchers from the University of California, San Diego, say they've ...

The initial spread of the virus that causes COVID-19 might have been accelerated by the wildlife trade, similar to what happened with the SARS outbreak in 2002, according to a study by UC San Diego ...

Since the start of the COVID-19 pandemic, there has been controversy surrounding the origins of SARS-CoV-2. New research from the University of California, San Diego (UCSD), School of Medicine ...

Horseshoe bats are the primary host for the ancestor of the viruses that caused both the 2002 SARS outbreak and the COVID-19 pandemic, but a new study suggests that the wildlife trade transported the ...

Five years after COVID-19 emerged, killing millions, costing trillions, and disrupting global life, we still don’t have a definitive answer as to the origins of the pandemic and the virus. This ...

I was lucky — or unlucky — enough to have a front-row seat for one of the most surprising and frightening infectious disease outbreaks in recent history. I was working as a reporter in TIME’s Hong ...