What is the COVID FLiRT variant, and could it cause a summer spike?
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Older US adults should get another COVID-19 shot, advisers say
Older U.S. adults should roll up their sleeves for another COVID-19 shot, even if they got a booster in the fall, an influential government advisory panel said.
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Newest COVID shots are 54% effective in preventing symptoms, CDC finds
The latest COVID-19 vaccines are 54% effective at preventing symptomatic infection in adults.
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In a break with CDC, California quietly changed its Covid isolation guidelines
In California, a person who tests positive for Covid and has no symptoms does not need to isolate, according to new state health guidelines.
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As winter virus activity picks up, CDC warns of ‘urgent need' to boost vaccine coverage
Not enough Americans are being vaccinated against Covid, the flu and RSV to stem rising numbers of the respiratory illnesses, the Centers for Disease Control and Prevention said Thursday.