WASHINGTON, D.C. — President Joe Biden laid out what his administration is doing to combat the emergence of the omicron variant and he encouraged the American people to get vaccinated against COVID-19 ...

On Friday, the World Health Organization categorized a new strain of COVID-19 that was recently detected in southern Africa as a "variant of concern." The WHO's Advisory Group on SARS-CoV-2 Virus ...

Mark Cameron was part of the rapid-response research team when the SARS (Severe Acute Respiratory Syndrome) outbreak hit Toronto in the early 2000s. Now a faculty member in Population and Quantitative ...

WHO designates coronavirus variants as either variants of concern — meaning they look dangerous enough to bear close scrutiny and continual updates — or as variants of interest, or variants under ...

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President Joe Biden on Monday said the new Omicron coronavirus variant is "a cause for concern, not a cause for panic," as federal health officials brace for the first cases of the new variant to be ...