Pfizer and AstraZeneca vaccine antibodies start to wane after six weeks

Astrazeneca, Coronavirus, Health, Pfizer/Biontech, Side Effects, Vaccine, Vaccine Breakthrough

Blood tests on hundreds of British people revealed that protective antibodies can wane substantially within weeks of second vaccine shots being given.

The UCL Virus Watch study found that antibodies generated by two doses of the Oxford/AstraZeneca and Pfizer/BioNTech vaccines started to wane as early as six weeks after the second shot, in some cases falling more than 50% over 10 weeks.

Guardian report

 

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** This post was originally published on July 22, 2021 **