The Independent Pfizer vaccine effectiveness declines quicker than AstraZeneca, says study
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https://www.independent.co.uk/news/...a-b1904782.html)
The Delta coronavirus variant diminishes the general performance of both jabs, researchers from the University of Oxford have found
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There appears to be little change in the effectiveness of the AstraZeneca vaccine three months after a second dose, according to the study. In contrast, there is a clear decline in protection provided by the Pfizer jab over this same timeframe.
The results, which have not yet been peer reviewed, suggest that after five months the effectiveness of these two vaccines would be similar, the researchers said.
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