(CNN) — As a group of advisers to the US Centers for Disease Control and Prevention meets to make recommendations on who should get the updated Covid-19 shot this season, a newly published analysis from dozens of researchers emphasizes the “substantial” benefits of broad vaccine recommendations.

The US Food and Drug Administration has already made significant changes to this season’s shots: limiting approval to adults 65 and older, and younger people who are at higher risk from Covid-19. The forthcoming vote from the CDC’s Advisory Committee on Immunization Practices, or ACIP, carries additional implications for vaccine access – and there are signs that the group could restrict access even further.

But scientific projection models from nine teams of researchers, summarized in a stu

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