Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-public-health-4dfbbae6f8c4
What did Paul-Louis Simond prove about plague?
- It was caused by cold weather
- It spread through music
- It was carried by fleas on rats
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References
- Public health en.wikipedia.org/wiki/Public_health Checked 2026-11-07.
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