Covid infection protection waning in double jabbed
Wednesday, August 25th, 2021By Michelle Roberts Health editor, BBC News online Researchers say they are seeing some waning of protection against Covid infections in double-jabbed people. 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. […]
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