Post #42 by g0177325 on the Pandemics board

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From https://www.cnbc.com/2024/08/22/covid-vaccines-fda...

FDA approves updated Pfizer, Moderna Covid vaccines as virus surges; shots to be available within days

The Food and Drug Administration on Thursday approved updated Covid vaccines from Pfizer and Moderna, putting the new shots on track to reach most Americans in the coming days amid a summer surge of the virus.

The jabs target a strain called KP.2, a descendant of the highly contagious omicron subvariant JN.1 that began circulating widely in the U.S. earlier this year. KP.2 was the dominant Covid strain in May, but now only accounts for roughly 3% of all U.S. cases as of Saturday, according to the latest Centers for Disease Control and Prevention data.

Still, Pfizer and Moderna have said their KP.2 vaccines can produce stronger immune responses against other circulating subvariants of JN.1, such as KP.3 and LB.1, than last year’s round of shots targeting the omicron strain XBB.1.5 can.

“Given waning immunity of the population from previous exposure to the virus and from prior vaccination, we strongly encourage those who are eligible to consider receiving an updated COVID-19 vaccine to provide better protection against currently circulating variants,” Dr. Peter Marks, director of the FDA’s Center for Biologics Evaluation and Research, said in a statement.

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