A federal judge has issued a preliminary ruling that puts a hold on the Trump administration's overhaul of vaccine policies, including cuts to the number of recommended vaccines for children.
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Rob Stein is a correspondent and senior editor on NPR's science desk.
Michel Martin is the weekend host of All Things Considered, where she draws on her deep reporting and interviewing experience to dig in to the week's news. Outside the studio, she has also hosted "Michel Martin: Going There," an ambitious live event series in collaboration with Member Stations.