Declining vaccine efficacy
October 24, 2021
1,167,191
26,006
10,764
3.15%
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15:09Now PlayingDeclining vaccine efficacy
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as posted by the channelProtection down to 3% in August
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Guitar Lessons by Chip McDonald 706-210-1957 www.chipmcdonald.com
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Breakthrough SARS-CoV-2 infections in 620,000 U.S. Veterans, February 1, 2021 to August 13, 2021
National data on COVID-19 vaccine breakthrough infections is inadequate
Comparing SARS CoV-2 infection by vaccination status
February 1, 2021 to August 13, 2021
Veterans Health Administration
Covering 2.7% of the U.S. population
Vaccine protection declined by mid-August 2021
Decreasing from 91.9% in March
Down to 53.9%
(p less than 0.01, n=619,755)
Declines were greatest for the Janssen vaccine followed by Pfizer–BioNTech and Moderna.
Specifically, for protection against infection
Janssen
March, 92%
August, 3%
Moderna
March, 91%
August, 64%
Pfizer
March, 95%
August, 50%
Delta variant as the primary determinant of infection
It is not yet clear whether reductions in vaccine protection against infection will translate into similar reductions in protection against hospitalization and death.
Vaccines remain the most important tool to prevent infection, severe illness, and death,
but vaccines should be accompanied by additional measures, including masking, hand washing, physical distancing, and other public health interventions
COVID Vaccination Rates Vary By People's Zodiac Sign
The COVID-19 vaccine is backed by science and is no way influenced by horoscopes
But come on Scorpios!
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