Katelyn Jetelina

@yourlocalepidemiologist · Your Local Epidemiologist · Substack profile · Science

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Katelyn Jetelina has 505,809 followers on Substack as of Nov 1, 2026. On the latest board read, Oct 31, 2026, they were #1 on Substack's Science Bestsellers board. 78 publications recommend them, 8 of them new in the last 30 days, and they recommend 3.

Followers read · Boards read

Last read Nov 1, 2026 (UTC). Followers are not email subscribers. Substack lists only the newest 50 recommendations for each publication, so a recommender count of 50 or more is a floor. History starts Oct 31, 2026; Substack publishes nothing earlier.

Followers
505,809
read Nov 1
Last 7 days
first number on Nov 7
Last 30 days
first number on Nov 30
Subscribers
438K+
rounded by Substack
Paid subscribers
Tens of thousands
bestseller badge 10,000+
Recommended by
78
+8 in 30 days
Recommends
3
Bestsellers rank
#1
Science

Followers by day

Tracking since Oct 31, 2026. 2 days of readings. Substack doesn't publish past follower counts, so history starts the day I first read a writer and grows by one reading every 3 days (daily if it's on your watchlist). The 7-day change appears on Nov 7, the 30-day change on Nov 30. Recommendation dates below go further back: they're Substack's own.

490k500k510k520k Oct 31Nov 2Nov 4Nov 6Nov 8Nov 10Nov 12 12 more days to fill this frame 505,809
490k500k510k520k Oct 31Nov 4Nov 8 8 more days to fill this frame 505,809
One reading a day, the last of the day. Marked: leaderboard steps (into the top 25, top 10, or #1). Followers are people who follow Katelyn Jetelina on Substack; they aren't email subscribers.
Show as a table
Daily readings
DateFollowersChangeSubscribersPaid band
Nov 1, 2026505,809+74438K+Tens of thousands
Oct 31, 2026505,735438K+Tens of thousands

Leaderboard positions

BoardRank nowBest on recordReads on it
Science Bestsellers#30#14 of 4
Science Rising#14#141 of 4

Rank on each read

Rank on each read of each board. Each cell is the leaderboard rank; empty means not in the top 100.
WriterOct 3107:00Oct 3113:00Oct 3119:47Nov 621:50Move
Science Bestsellers11110
Science Rising14new

I read every board once a day.

Recommendations

78 publications recommend Katelyn Jetelina; 7 started in the last 30 days. Katelyn Jetelina recommends 3, and 1 of those recommend back. Lists read Oct 31.

The 9 largest publications on each side, by followers. Bigger dot, more followers. Orange: started in the last 30 days. Gray dots: publications I don't track, so no follower count.

When the recommendations started

Apr 22OctAprOctAprOctAprOctAprOct
Live recommendations by the month each began, using Substack's own start date. Removed ones aren't listed by Substack, so they don't appear. Substack shows only the 50 newest recommenders, so before Jun 2026 (outlined) I see only those from the 6,392 publications whose full lists I read.
Show as a table
Recommendations started per month
MonthStarted
2022-041
2022-112
2022-121
2023-021
2023-051
2023-061
2023-071
2023-081
2023-101
2024-041
2024-051
2024-061
2024-101
2025-031
2025-062
2025-072
2025-082
2025-092
2025-112
2026-041
2026-051
2026-062
2026-0710
2026-0812
2026-0913
2026-1014

Recommended by

All 78
  • Shin1.1k followers · started Oct 2024
  • Devin Teichrow920 followers · started Mar 2025
  • Caroline Waltzman, MHA, CLSSGB484 followers · started Jun 2025
  • Robin Blackstone, MD230 followers · started May 23, 2026
  • Emergency Preparedness for the Clinically Inclinedstarted Oct 29, 2026new
  • George's Substackstarted Oct 19, 2026new
  • Old man, bad formstarted Oct 18, 2026new
  • Paula's Substackstarted Oct 17, 2026new
  • Linda's Substackstarted Oct 15, 2026new
  • Ryan Steinbergstarted Oct 14, 2026new
  • Cynthia Ryalls-Clephanestarted Oct 14, 2026new
  • Vital Odditiesstarted Oct 7, 2026
  • Joshstarted Oct 6, 2026
  • Well Defendedstarted Oct 6, 2026
  • What You Should Know with Katie McManusstarted Oct 5, 2026
  • Duane's Substackstarted Oct 4, 2026
  • The Roots by Root to Rxstarted Oct 4, 2026
  • El Substack de Luisstarted Oct 3, 2026
  • Cordon Healthstarted Sep 30, 2026
  • Cool Planet - Healthy Peoplestarted Sep 29, 2026
  • LindsayO's Substackstarted Sep 29, 2026
  • Mitchell's Substackstarted Sep 27, 2026
  • Catatan PARUstarted Sep 27, 2026
  • Jonathan's Substackstarted Sep 19, 2026
  • george's Substackstarted Sep 15, 2026
  • Evolving Medicstarted Sep 15, 2026
  • Supply & Statestarted Sep 10, 2026
  • lisastarted Sep 6, 2026
  • Carl's Substackstarted Sep 6, 2026
  • ultraViolet Publicationstarted Sep 5, 2026
  • Bill's Substackstarted Aug 31, 2026
  • Beth's Substackstarted Aug 26, 2026
  • Barbara's Substackstarted Aug 23, 2026
  • Bebe's Substackstarted Aug 22, 2026
  • Marching Onwardstarted Aug 19, 2026
  • The 8AM Briefingstarted Aug 17, 2026
  • Just The Factsstarted Aug 16, 2026
  • Achilles Healsstarted Aug 14, 2026
  • The Outbreak Analyststarted Aug 13, 2026
  • The Art of Parenting While Sickstarted Aug 12, 2026
  • ExpandEd Leadershipstarted Aug 2, 2026
  • The Independent Vetstarted Aug 1, 2026
  • Raul Canostarted Jul 25, 2026
  • Katie's Substackstarted Jul 22, 2026
  • Le Substack de Hadiastarted Jul 20, 2026
  • Elaine's Substackstarted Jul 19, 2026
  • Donna's Substackstarted Jul 15, 2026
  • The Northwest Corridor Pamphletsstarted Jul 14, 2026
  • Late to the Party: Diagnosed Neurodivergent at 53started Jul 12, 2026
  • barb's Substackstarted Jul 8, 2026
  • FACTSinnatedstarted Jul 7, 2026
  • Mateo's Substackstarted Jul 2, 2026
  • Carole's Substackstarted Jun 30, 2026
  • Meg's Substackstarted Jun 30, 2026

Recommends

  • Matt Willis35k followers · started Aug 2025 · mutual
  • The Evidence Collectivestarted Apr 6, 2026
  • Your Local Epidemiologist: Northeast Editionstarted Jun 2025

Substack lists the 50 newest recommenders of each publication. I add every recommendation found in the full lists of the 6,392 publications I read, so writers with many recommenders may still be missing a few small ones. "Started" is Substack's date.

Who recommends writers like this one

Publications that recommend at least two other Science writers with 50,000 or more followers (39 writers in that group), but not Katelyn Jetelina.

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