The disease has hitherto been confined to particular districts; and it has been observed, that where the Cow Pox has prevailed, the Small Pox has been much less frequent, and much less fatal.
— Edward Jenner Early Modern

Smallpox vaccine

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Details

Context

An Inquiry into the Causes and Effects of the Variolae Vaccinae...

Date / Period

1798

Source

https://www.gutenberg.org/files/33718/33718-h/33718-h.htm

Verification

Unverifiable

Explanation

Found in 1 providers: grok

Method

Cross Reference

Sources Checked

1 source