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South African Data Show Pfizer’s COVID-19 Vaccine Is Not as Effective Against Omicron


New research out of South Africa, one of the first countries to report the new SARS-CoV-2 variant—Omicron—shows that the Pfizer vaccine is not as successful at preventing hospitalization among those with COVID-19. The study found that while the Pfizer vaccine reduced hospitalizations by 93% among those with the Delta variant, it only reduced hospitalizations by 70% in those infected with Omicron. South Africa’s daily case rate has jumped to more than 20,000 since Omicron emerged in November. Click here to read more.

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