Second booster shields elderly from COVID but protection wanes quickly: study - New York Post
4/7/2022 12:00:00 AM3 years 10 months ago
by Reuters
by Reuters
A fourth dose of the Pfizer/BioNTech vaccine lowered rates of COVID-19 among the elderly but the protection against infection appeared short-lived, a large study in Israel has found.
A fourth dose of the Pfizer/BioNTech vaccine lowered rates of COVID-19 among the elderly but the protection against infection appeared short-lived, a large study in Israel has found. The second boos… [+1478 chars]
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