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STAND TOGETHER FOR CANADA

Keeping You Informed On The Federal Liberals

Pfizer's COVID-19 vaccine effectiveness drops after 6 months: study

Tony Lam
Oct 9, 2021
1 min read

October 5 2021

https://www.ctvnews.ca/health/coronavirus/pfizer-s-covid-19-vaccine-effectiveness-drops-after-6-months-study-1.5612595

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