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Immunologist Nicole Baumgarth explains why ticks are spreading to new regions

NPR's Eyder Peralta speaks with immunologist Nicole Baumgarth about why ticks are spreading to new regions, and what this increase in ticks could mean for the spread of Lyme disease.

Copyright 2026 NPR

Eyder Peralta
Eyder Peralta is an international correspondent for NPR. He was named NPR's Mexico City correspondent in 2022. Before that, he was based in Cape Town, South Africa. He started his journalism career as a pop music critic and after a few newspaper stints, he joined NPR in 2008.