Vaccine protection wanes within 6 months: phone app study
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25 August 2021How sick are children getting, and when will we be able to vaccinate them against COVID?
25 August 2021Vaccine protection wanes within 6 months: phone app study
Protection from two doses of the Pfizer and AstraZeneca vaccines wanes within less than six months, according to a study of phone app data Wednesday, suggesting that booster shots may be needed to ensure prolonged coverage.
