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Woman sick in bed, coughing
Health
The new COVID strain, NB 1.8.1, is an Omicron variant. Here’s all you need to know
By Beth GreenfieldMay 27, 2025
The ‘Kraken’ COVID variant taking hold in the U.S. Here’s how many vaccine shots there are—and what experts recommend to protect yourself
Health
The ‘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
Meet the ‘Kraken’ COVID variant—the dominant new Omicron ‘escape strain’ experts say is the most transmissible yet
Health
Meet 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
Masked pedestrians in Singapore in April 2022
Health
What is XBB? The new ‘immune-evasive’ COVID strain that combines Omicron variants is driving cases in two countries
By Nicholas GordonOctober 11, 2022
covid shot
Health
The 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
Europe Omicron vaccine
Health
Europe’s drug regulator set to approve Moderna and Pfizer Omicron boosters this week
By Lyubov Pronina and BloombergAugust 31, 2022
A vial of the Moderna COVID vaccine
Health
An FDA change to vaccine authorization allowed Pfizer and Moderna to apply for BA.5 booster approval without key data
By Nicholas GordonAugust 24, 2022
A woman receives Moderna's Omicron vaccine during a clinical trial.
Health
Moderna’s ‘next generation’ COVID booster approved for use in U.K.
By Chris MorrisAugust 15, 2022
A Chinese healthcare worker administers a COVID test on a patient in Sanya, Hainan province.
Health
A tiny Pacific island nation shut COVID out for two years. It recorded 3,000 cases in the past week
By Tristan BoveAugust 15, 2022
covid-test-india-omicron
Health
Omicron’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
A sign advertising free COVID tests in New York City
Health
What 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
Moderna COVID-19 vaccine
Health
U.S. reaches $1.74 billion deal with Moderna for its Omicron-specific vaccine
By Zeke Miller and The Associated PressJuly 29, 2022
fauci-covid-booster-omicron
Health
Fauci 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
An aerial shot of a coral reef in Pohnpei Island in the Federated States of Micronesia
Health
A country of 115,000 had zero COVID deaths until Tuesday. It suspects Omicron’s most transmissible variant is behind its first massive outbreak
By Nicholas GordonJuly 27, 2022
Bill Gates
Health
The Bill & Melinda Gates Foundation partly funded an Omicron variant study with a surprising conclusion about boosters
By Christine MuiJuly 21, 2022
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