As Health and Human Services Secretary Robert F. Kennedy Jr. works to dismantle the national vaccine infrastructure, states have started going their own way. Governors in California, Washington State, and Oregon said they intend to coordinate on vaccine policies. Florida’s surgeon general went in the opposite direction, announcing a plan to end all state vaccine mandates, which he compared to “slavery.” We talk to the Atlantic science writer Katie Wu about how Kennedy’s decisions are affecting the vaccine pipeline and how difficult it will be to rebuild. We also talk about what you, the patient, should do in an atmosphere where the federal government, long the authority on vaccines, is no longer reliable.

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