Growing anti-vax movement perplexes Biden administration, medical community

The rising appeal of anti-vaccine activism has been underscored by Robert F. Kennedy Jr.’s insurgent presidential campaign and fueled by prominent factions of the GOP. The mainstreaming of a once-fringe movement has horrified federal health officials, who blame it for seeding dangerous conspiracy theories and bolstering a Covid-era backlash to the nation’s broader public health practices.

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