Single Pfizer Vaccine Shot May Not Protect Against Covid Variants, Study Warns
alphanewsstream
2021-04-30 19:00
Single Pfizer Vaccine Shot May Not Protect Against Covid Variants, Study Warns
The protection from the first dose is significantly enhanced if someone has already had Covid.
The protection from the first dose is significantly enhanced if someone has already had Covid...

https://www.forbes.com/sites/roberthart/2021/04/30/single-pfizer-vaccine-shot-may-not-protect-against-covid-variants-study-warns/

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