No surprise: New study shows dramatic decline in COVID vaccine effectivenes

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As the Delta variant became the dominant strain of the coronavirus across the United States, all three COVID-19 vaccines available to Americans lost some of their protective power, with vaccine efficacy among a large group of veterans dropping between 35% and 85%, according to a new study. Researchers who scoured the records of nearly 800,000 U.S. veterans found that in early March, just as the Delta variant was gaining a toehold across American communities, the three vaccines were roughly equal in their ability to prevent infections. But over the next six months, that changed dramatically. By the end of September, …read more

Source: Sott health news feed

    

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