Covid booster shot could be needed after nine to 12 months, White House says
by Guardian staff and agencies from World news | The Guardian on (#5GN9V)
Pfizer CEO has also said it is likely' people will need a third coronavirus vaccine dose within a year
The US is preparing for the possibility that a booster shot will be needed between nine and 12 months after people are initially vaccinated against Covid-19, a White House official said on Thursday.
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