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BA.2 COVID sub-variant now predominant in U.S.April 1, 2022 -
COVID-19 omicron variant doubling faster than delta, health officials warnDecember 20, 2021 -
What are the chances of getting COVID-19 again?December 14, 2021 -
World Health Organization names concerning new COVID-19 variant 'omicron'November 27, 2021 -
Mu COVID variant appears to be eradicated in US, data showsSeptember 29, 2021 -
Meet 'mu,' the World Health Organization's latest coronavirus 'variant of interest'September 2, 2021 -
New COVID variants found in the U.S.August 21, 2021 -
Lambda named latest COVID-19 variant to watch out forJuly 6, 2021 -
Stanford scientists uncover new 'double mutant' COVID-19 variantApril 6, 2021