Booster Effectiveness Wanes After 4 Months, Study Shows
Booster shots of the Pfizer/BioNTech and Moderna COVID-19 vaccines lost some effectiveness after four months but still did a good job of keeping people out of the hospital during the Omicron surge, a study shows.
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Booster shots of the Pfizer/BioNTech and Moderna COVID-19 vaccines lost some effectiveness after four months but still did a good job of keeping people out of the hospital during the Omicron surge, a study shows.
