Question

first vaccine discovered by
a. BCG vaccine
b.tetanus vaccine
c. small pox vaccine
d. hepatitis vaccine ​

Answer 1

Explanation:

c. small pox vaccine

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Answer 2

Answer:

C) small pox vaccine

Explanation:

Edward Jenner is considered the founder of vaccinology in the West in 1796, after he inoculated a 13 year-old-boy with vaccinia virus (cowpox), and demonstrated immunity to smallpox. In 1798, the first smallpox vaccine was developed.