Best Vaccine Efficacy Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover Vaccine efficacy as a primary topic, 2 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Understanding the unseen (8K) and The COVID Digest (17K).

Updated Nov 7, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Understanding the unseen8K subscribers

    SubstackWeekly · last post 7 days ago

    Making sense of a noisy, uncertain world with the author of 'The Rules of Contagion' and 'Proof'

    Likely audience: policy makers

  2. 2
    Scientifically Literate—

    SubstackMonthly or less · last post 39 days ago

    Welcome to Scientifically Literate! I break down scientific topics in an informative, approachable way so you can spot nonsense and stay sharp. Follow for clear, engaging science insights.

    Likely audience: Health-conscious individuals

  3. 3
    The COVID Digest17K subscribers

    Substacklast post Feb 18, 2023

    From recent posts: The COVID Digest publishes weekly Georgia-specific pandemic data analysis, including hospitalization rates, ICU statistics, and test positivity trends. It serves readers interested in public health reporting and…

    Likely audience: Public health professionals

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