Katelyn Jetelina is an epidemiologist and the founder of Your Local Epidemiologist, translating public health research into clear, useful newsletters for everyday decisions.
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Katelyn’s happenings, collected from public sources, plus her backstory and Starbook, where fans write.
In “I’m ready.”, Katelyn described joining public health friends in Texas on election night and shared her hopes for rebuilding health systems with communities.
Her latest roundup connected election stress and heart health, tracked the early flu season, and discussed a parent’s question about reporting a vaccine reaction.
yourlocalepidemiologist.substack.comRead the postKatelyn published “Politics is medicine on a large scale,” opening with physician Rudolf Virchow’s investigation of a typhus epidemic in 1848.
yourlocalepidemiologist.substack.comRead the postShe published a reflection on her appearance at STAT Summit 2026, including a photograph with STAT co-founder Rick Berke. The post looks back on her turn on stage the previous week.
yourlocalepidemiologist.substack.comRead the postKatelyn introduced a guest edition by UCSF geriatrician Anna Chodos about healthy aging, longevity products, and the difference between lifespan and healthspan.
Follow Katelyn for clear public health updates and the stories behind YLE.
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