Public health infrastructure newsletters

NewsletterFIT tracks 5 newsletters that cover Public health infrastructure as a primary topic, 4 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Call To Action (36K), Ralph Nader Radio Hour (25K) and WARDC SRHR NEWS UPDATE (8K). Brands detected sponsoring these newsletters recently include Palantir.

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

  1. 1
    Call To Action 36K subscribers

    Substack Every two weeks · last post 17 days ago

    Likely audience: Healthcare professionals

  2. 2
    Ralph Nader Radio Hour 25K subscribers

    Substack Every two weeks · last post 13 days ago

    Likely audience: Progressive political activists

    Sponsors detected: Palantir

  3. 3
    WARDC SRHR NEWS UPDATE 8K subscribers

    Substack Every two weeks · last post 13 days ago

    Likely audience: Public health officials

  4. 4
    Animal Politics with Ed Boks —

    Substack Several times a week · last post 20 days ago

    Likely audience: animal welfare advocates

  5. 5
    Bill’s Substack —

    Substack last post Aug 29, 2025

    Likely audience: Policy makers

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