Science, asked by negijaswant837, 5 months ago

Who discovered the first vaccine? Against which disease was the vaccine effective?

Answers

Answered by daddy4

0

Answer:

HUMAN

Explanation:

WHEN HE HAD A DISEASE

Answered by bhumithakur9

0

Answer:

EDWARD JANNER IS DISCOVERED THE FIRST VACCINE.

disease was the vaccine effective is meningitis, tetanus ,measles and wild poliovirus

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