In 1796 Edward Jenner created the first vaccine using material from _____, a mild disease of cattle.
THE TRUTH
cowpox
The smallpox vaccine is used to prevent smallpox infection caused by the variola virus. It is the first vaccine to have been developed against a contagious disease.
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TOP LIESFOOLED
01swine fever0%
02sheep pox0%
03horse glanders0%
04bovine plague0%
05smallpox lesions0%