US clears updated COVID boosters targeting newest variants
This August 2022 photo provided by Pfizer shows vials of the company's updated COVID-19 vaccine during production in Kalamazoo, Michigan. U.S. regulators have authorized updated COVID-19 boosters, the first to directly target today's most common omicron strain. (Pfizer via AP)
The U.S. on Wednesday authorized its first update to COVID-19 vaccines, booster doses that target today’s most common Omicron strain. Shots could begin within days.
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