Pfizer COVID-19 Vaccine’s Effectiveness Falls Below 50 Percent After 5 Months: Study
Posted on AllSides October 5th, 2021
From The Right
(Dado Ruvic/Illustration/Reuters)
The effectiveness of the Pfizer-BioNTech COVID-19 vaccine falls below 50 percent after five months, according to a new study published in The Lancet medical journal on Oct. 4.
The study (pdf), which was funded by Pfizer, aimed to evaluate the overall variant-specific effectiveness of the companies’ vaccine against CCP (Chinese Communist Party) virus infections and COVID-19-related hospital admissions over time.
Researchers analyzed electronic health records of more than 3.4 million men and women who were members of the health care organization Kaiser Permanente Southern California between Dec. 14, 2020, and Aug. 8, and assessed the vaccine effectiveness up...
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