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Your Local Epidemiologist

Public health, translated into decisions you can make.

Substack Health Weekly Updated Aug 2026

About

Your Local Epidemiologist comes from Dr. Katelyn Jetelina, who translates public health data into plain language people can actually use. It started during COVID as a jargon-free way to make sense of case counts and vaccine data, and has since widened out to cover infectious disease and public health policy generally.

What makes it different is a willingness to say where the evidence is solid and where it isn't, instead of faking certainty either way. When a new variant or study makes headlines, this is where you go to find out what it actually means for you, from someone trained to read the data underneath the story.

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