World Health Organization officials first learned about a cluster of cases of pneumonia in the Hubei Province of China on Dec. 31, 2019. This represented the initial report of what soon became known ...

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 ...

During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human ...

SAN DIEGO (FOX 5/KUSI) — A recent study from an international team of researchers, including those from UC San Diego’s School of Medicine, gives new credence to the theory that the COVID-19 pandemic ...

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 ...

In a new study, researchers at Yale University performed surveillance to understand the current coronaviral landscape of wild and domestic animals in the northeastern United States. They found that ...

The source of the SARS-CoV-2 virus, which causes COVID-19, remains elusive. With "low confidence," some federal agencies favor the theory that it originated in and leaked from a Chinese laboratory ...