Pfizer Vaccine Protection Wanes After 6 Months Study Finds

Meanwhile, the company announced early data showing a third dose greatly increases protection against the Delta variant.

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Jul 31, 2021 - 07:00
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Pfizer Vaccine Protection Wanes After 6 Months Study Finds
photo of pfizer vaccine

Meanwhile, the company announced early data showing a third dose greatly increases protection against the Delta variant.

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