CBS Evening News | Fully vaccinated may need COVID booster shot by fall

Fully vaccinated Americans may need COVID-19 booster shot by fall

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Given the duration of protection afforded by the current COVID-19 vaccines, booster shots necessary by the fall. Nikki Battiste shares the details. Air Date: May 20, 2021

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CBS Evening News | Fully vaccinated may need COVID booster shot by fall

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