Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity Study: ...
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 ...
The question of the origin of SARS-CoV-2 continues to occupy scientists, the media, and the public intensely even 5 years after the onset of the COVID-19 pandemic. Where the virus came from, when and ...
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