Vaccine safety newsletters

NewsletterFIT tracks 26 newsletters that cover Vaccine safety as a primary topic, 21 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Unbiased Science (141K), FOCAL POINTS (Courageous Discourse™) (140K) and Inside Medicine (88K). Brands detected sponsoring these newsletters recently include CDC and COUP.

Updated Oct 30, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Unbiased Science 141K subscribers

    Substack Every two weeks · last post 20 days ago

    Likely audience: Public health professionals

  2. 2
    FOCAL POINTS (Courageous Discourse™) 140K subscribers

    Substack Several times a week · last post 17 days ago

    Likely audience: public health officials

  3. 3
    Inside Medicine 88K subscribers

    Substack Monthly or less · last post 22 days ago

    Likely audience: Public health professionals

  4. 4
    Dr. Jessica Knurick 85K subscribers

    Substack Every two weeks · last post 18 days ago

    Likely audience: Policy analysts

  5. 5
    Due Diligence and Art 60K subscribers

    Substack Every two weeks · last post 21 days ago

    Likely audience: vaccine skeptics

  6. 6
    Meryl’s CHAOS letter (Critical Health Analysis and OpinionS) 48K subscribers

    Substack Every two weeks · last post 11 days ago

    Likely audience: investigative journalists

  7. 7
    Beyond the Noise 42K subscribers

    Substack Every two weeks · last post 18 days ago

    Likely audience: medical professionals

  8. 8
    Arkmedic's blog 31K subscribers

    Substack last post Jun 13, 2026

    Likely audience: Medical professionals

  9. 9
    Popular Rationalism 24K subscribers

    Substack Every two weeks · last post 11 days ago

    Likely audience: Academic researchers

  10. 10
    World Council for Health 17K subscribers

    Substack Every two weeks · last post 16 days ago

    Likely audience: Public health advocates

  11. 11
    The Real CdC’s Newsletter 13K subscribers

    Substack Every two weeks · last post 34 days ago

    Likely audience: Public health advocates

  12. 12
    Denis’s Substack 12K subscribers

    Substack Monthly or less · last post 26 days ago

    Likely audience: public health researchers

  13. 13
    How to End the Autism Epidemic 10K subscribers

    Substack Every two weeks · last post 37 days ago

    Likely audience: policy makers

    Sponsors detected: CDC

  14. 14
    Marcella’s Substack 10K subscribers

    Substack Every two weeks · last post 18 days ago

    Likely audience: Parents of children with autism

  15. 15
    Restore Childhood 7K subscribers

    Substack Every two weeks · last post 7 days ago

    Likely audience: Parents concerned about children's education

  16. 16
    The Defender 6K subscribers

    Substack Daily · last post 18 days ago

    Likely audience: policy makers

  17. 17
    Karen Bracken 6K subscribers

    Substack Every two weeks · last post 9 days ago

    Likely audience: educators and parents

  18. 18
    Autism Day by Day — the guide I needed when I was you. 4K subscribers

    Substack Every two weeks · last post 13 days ago

    Likely audience: Policy makers

  19. 19
    Clotastrophe 4K subscribers

    Substack Monthly or less · last post 23 days ago

    Likely audience: anti-vaccine activists

  20. 20
    Okay Then News 3K subscribers

    Substack Every two weeks · last post 14 days ago

    Likely audience: vaccine skeptics

  21. 21
    Letters from Australia 3K subscribers

    Substack Monthly or less · last post 47 days ago

    Likely audience: Public health advocates

    Sponsors detected: COUP

  22. 22
    Random Acts of Medicine 3K subscribers

    Substack last post Jun 17, 2026

    Likely audience: public health researchers

  23. 23
    Health Care News You Can Use —

    LinkedIn Every two weeks · last post 14 days ago

    Likely audience: healthcare policy analysts

  24. 24
    Dr. Eric Ding’s Journal 31K subscribers

    Substack last post Jan 30, 2026

    Likely audience: public health advocates

  25. 25
    Unconditional Jessica 13K subscribers

    Substack last post Jan 10, 2025

    Likely audience: Public health advocates

  26. 26
    Amanda's Health Awareness —

    Substack last post Sep 22, 2025

    Likely audience: Parents concerned about vaccine side effects

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