John’s Substack
Substacknewsletter · by John’s Substack · English
- Audience
- 26K subscribers
- Shown publicly on Substack
- Publishing
- Every two weeks
- 5 posts indexed in the last 90 days
- Last post
- Oct 12, 2026
- 18 days ago
- Likely audience
- public health officials
- Inferred from post content
John’s Substack is a Substack newsletter by John’s Substack covering laboratory safety, epidemiology and pneumonic plague. NewsletterFIT indexed 5 posts from it in the last 90 days, most recently on Oct 12, 2026. Shown publicly on Substack: 26K subscribers.
Topics
- laboratory safety
- epidemiology
- pneumonic plague
- plague
- Siberia
Recent posts
- Russia’s Mystery…
- Russia’s Plague…
- Mystery Death…
- Plague Lab…
- Early warning…
Sponsors detected
No sponsored posts detected in the last 180 days of indexed posts.
Detected automatically from posts marked as sponsored. Detection can miss or misread placements.
See the full picture on John’s Substack
Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.
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Compiled from public pages · refreshed Oct 18, 2026 · How NewsletterFIT collects and labels data