What you need to know about updated COVID vaccines following FDA approval

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    "url": "https://www.goodmorningamerica.com/amp/news/story/fda-approves-updated-covid-vaccines-136026783",
    "title": "What you need to know about updated COVID vaccines following FDA approval - Good Morning America",
    "excerpt": "As summer winds down and children and teenagers across the U.S. head back to school, it also means updated COVID-19 vaccines are around the corner. This week, the Food and Drug Administration approved updated vaccines to protect against the predominant strain of the virus. Both Moderna and Pfizer received approval for their mRNA vaccines and Sanofi also received approval for a protein-based shot, similar to vaccines that have been around for decades. \"Like the influenza virus, the COVID virus mutates; it changes notably over time, and so we have to update the vaccine in our best attempt to match the strain that we anticipate will be most active during the coming winter,\" Dr. William Schaffner, a professor of preventive medicine at Vanderbilt University Medical Center in Nashville, told ABC News. \"The better the match we have with what's in the vaccine and the circulating strain, the more effective the vaccine will be.\" What strain does the updated vaccine target? The updated 2026-2027 COVID-19 vaccines target the XFG strain, a recombinant omicron variant, meaning it formed through the combination of two omicron subvariants. XFG currently accounts for about 40% of cases in the U.S., according to the latest data from the Centers for Disease Control and Prevention (CDC) in July. Who is eligible? Moderna's shot is approved for those 6 months through 64 years old with an underlying...",
    "product": "updated mRNA COVID-19 vaccine",
    "summary": "Moderna received FDA approval for its updated mRNA COVID-19 vaccine targeting the XFG strain, which is now available for individuals from 6 months to 64 years with underlying conditions and all adults 65 and older.",
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    "published_at": "2026-08-28T17:36:45Z",
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    "article_sentence": "Both Moderna and Pfizer received approval for their mRNA vaccines and Sanofi also received approval for a protein-based shot, similar to vaccines that have been around for decades.",
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