Search our collection of background (non-event) articles from news media, science journals and other sources.
An AP investigation reveals that political disputes and blame fears halted the search for COVID-19's origins in China, contradicting public claims of ongoing efforts.
People spread Covid-19 to wild white-tailed deer more than 100 times in late 2021 and early 2022. The infection circulated widely in the deer population in the United States, and in at least three instances, researchers suspect the virus was passed between deer where it picked up unique genetic changes and then re-infected humans.
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