Pfizer COVID-19 jab declines faster than AstraZeneca: study
The Hindu
The study is yet to be peer reviewed
The effectiveness of the Pfizer-BioNTech vaccine against COVID-19 declines faster than that of the AstraZeneca jab, according to a new study published on August 19. "Two doses of Pfizer-BioNTech have greater initial effectiveness against new COVID-19 infections, but this declines faster compared with two doses of Oxford-AstraZeneca," researchers at Oxford University said. The study, which has not been peer reviewed, is based on the results of a survey by Britain's Office for National Statistics that carried out PCR tests from December last year to this month on randomly selected households.
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