BA.2.75 COVID variant is spreading in the Bay Area. Can it evade immunity?
The omicron coronavirus strain continues to spawn highly infectious subvariants, and the...
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The omicron coronavirus strain continues to spawn highly infectious subvariants, and the...
Highly transmissible omicron subvariants are now dominating cases across the U.S. and with a new subvariant detected in some U.S. cases, what will that mean for...
With new omicron variants again driving COVID-19 hospital admissions and deaths higher in...
BA.4 and BA.5, two new variants of Omicron, are spreading after being detected in Southern Africa and Europe—here, experts explain symptoms and if cases will rise.
As doctors urge the public to return to masking guidelines with the rapid spread of BA.4 and BA.5, a new, super contagious COVID variant is also raising...