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Another study shows Pfizer mRNA vaccine immunity is reduced over time.

2 Sep, 2021 | 10:05h | UTC

Waning of BNT162b2 vaccine protection against SARS-CoV-2 infection in Qatar – medRxiv

Related:

[Press release – not published yet] Study shows vaccine protection wanes over time, but vaccines still offer good protection against severe disease.

Studies: COVID vaccine protection waning against infection but not hospitalization.

Pfizer says it’s time for a Covid booster; FDA and CDC say not so fast.

 

Commentary on Twitter (thread – click for more)

 


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