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 ...

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 ...

In January 2003, epidemiologists in China identified two cases of "atypical pneumonia" in patients who had visited health care workers in Guangdong province. Teams initiated contact tracing and ...

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 ...

Pat Bankston's opinion: Simple words, like infection or cancer, describe a huge number of individual diseases, each with complex behavior and cure rates You really can't blame people for a level of ...