omicron
By Beth GreenfieldMay 27, 2025
HealthThe ‘Kraken’ COVID variant taking hold in the U.S. Here’s how many vaccine shots there are—and what experts recommend to protect yourself
By Alexa MikhailJanuary 10, 2023
HealthMeet the ‘Kraken’ COVID variant—the dominant new Omicron ‘escape strain’ experts say is the most transmissible yet
By Eleanor Pringle and Erin PraterJanuary 5, 2023
HealthWhat is XBB? The new ‘immune-evasive’ COVID strain that combines Omicron variants is driving cases in two countries
By Nicholas GordonOctober 11, 2022
HealthThe U.S. ordered 171 million updated COVID booster shots but only 4.4 million went into arms as Biden says ‘the pandemic is over’
By Carla K. Johnson and The Associated PressSeptember 23, 2022
By Lyubov Pronina and BloombergAugust 31, 2022
HealthAn FDA change to vaccine authorization allowed Pfizer and Moderna to apply for BA.5 booster approval without key data
By Nicholas GordonAugust 24, 2022
By Chris MorrisAugust 15, 2022
HealthA tiny Pacific island nation shut COVID out for two years. It recorded 3,000 cases in the past week
By Tristan BoveAugust 15, 2022
HealthOmicron’s BA.2.75 ‘Centaurus’ subvariant is beating out BA.5 in India—and scientists say it ‘may prevail’ elsewhere
By Grady McGregorAugust 11, 2022
HealthWhat is BA.4.6? The CDC is tracking a new COVID ‘variant of concern’ that’s overtaking earlier Omicron strains in at least 4 U.S. states
By Nicholas GordonAugust 4, 2022
By Zeke Miller and The Associated PressJuly 29, 2022
HealthFauci calls BA.5 a ‘moving target’ that may subside by the time Omicron boosters are ready. Scientists are pushing for a universal COVID vaccine instead
By Grady McGregorJuly 28, 2022
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