The Cow Pox, when it has once taken place, is a security against the Small Pox for life.
Smallpox vaccine
An Inquiry into the Causes and Effects of the Variolae Vaccinae...
1798
Found in 1 providers: grok
Cross Reference
1 source
"The most beautiful flowers are often found in the most obscure places."
Strange & Unusual"It is a pity that the practice of inoculation has not been more generally adopted; for if it had, many lives might have been saved."
Strange & Unusual"...has effectually put a stop to the sneers of those little minded persons who think everything impossible which does not come within the narrow sphere of their own comprehension."
Humorous"The greatest reward for my labours is the satisfaction of having done good to my fellow creatures."
Strange & Unusual"The progress of science is slow, but it is sure."
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