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Thursday, July 22, 2021

Why the 2nd Dose of Pfizer Vaccine Is So Crucial

Syringes and graph illustration

New research finds the second dose of Pfizer's vaccine is key -- it makes a huge impact on the COVID vaccine's effectiveness.



from WebMD Health https://www.webmd.com/vaccines/covid-19-vaccine/news/20210721/secret-weapon-why-the-2nd-dose-of-pfizer-vaccine-is-so-crucial?src=RSS_PUBLIC

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