According to two sources familiar with the matter, the US Food and Drug Administration is poised to sign off on updated COVID-19 vaccines targeting more recently circulating strains of the virus as soon as this week, as the country experiences its largest summer wave in two years.
The sources, who declined to be named because the timing information isn’t public, said the agency is expected to greenlight updated mRNA vaccines from Moderna and Pfizer/BioNTech that target a strain of the virus called KP.2.
It was unclear whether the agency simultaneously would authorize Novavax’s updated shot, which targets the JN.1 strain. The move would be several weeks ahead of last year’s version of the vaccine, which got FDA signoff on September 11.
“Now is the time to get a dose with this surge,” Dr. Michael Osterholm, director of the Center for Infectious Disease Research and Policy at the University of Minnesota, told CNN. […]
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