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Covid infection protection waning in double jabbed – BBC

The real-world study includes data on positive Covid PCR test results between May and July 2021 among more than a million people who had received two doses of Pfizer or AstraZeneca vaccine.

Protection after two shots of Pfizer decreased from 88% at one month to 74% at five to six months.

For AstraZeneca, the fall was from 77% to 67% at four to five months.

http://archive.today/2021.08.25-105339/https://www.bbc.com/news/health-58322882