The deviation of man from the state in which he was originally placed by nature seems to have proved to him a prolific source of diseases.
— Edward Jenner Early Modern

Smallpox vaccine

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Details

Context

On the origins of disease

Date / Period

1798

Source

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1200696/

Verification

Confirmed

Explanation

Found in 2 providers: deepseek,gemini

Method

Cross Reference

Sources Checked

2 sources