Electronic Cigarette Smoking and Perception among Youth: Pfizer-BioNTech’s vaccine gets slightly weaker over time, company data shows, but remains strong in preventing severe disease.

Wednesday, July 28, 2021

Pfizer-BioNTech’s vaccine gets slightly weaker over time, company data shows, but remains strong in preventing severe disease.

By BY CARL ZIMMER AND SHARON LAFRANIERE from NYT Health https://ift.tt/3iZpVX4

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