Hill June 16, 2023
The Food and Drug Administration (FDA) told vaccine manufacturers on Friday their fall COVID-19 update should target the XBB.1.5 strain of omicron.
That variant is currently responsible for about 40 percent of all infections, according to the Centers for Disease Control and Prevention (CDC).
Vaccine companies have been working on XBB-specific vaccines, so they will be ready by the end of the summer. Company representatives told an FDA advisory panel on Thursday they will be able to provide XBB.1.5 vaccines earlier than other potential strains.
That panel voted unanimously in favor of solely targeting an XBB strain during its meeting on Thursday.
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