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COVID-19: Study suggests Pfizer vaccine effectiveness drops after 6 months

CA, 05 Oct 2021
How long does COVID-19 vaccine protection last? It's a question scientists have been asking since the vaccines were first approved for use.

Now, a study suggests the protection from the Pfizer vaccine in preventing infection may run out sooner than expected. After six months, 46 people tested showed greatly reduced antibodies.

As Aaron McArthur reports, if those findings are verified in a larger study group, it could prompt a major rethink about COVID-19 booster shots.

For more info, please go to https://globalnews.ca/news/8225893/covid-19-booster-shot/

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