Biology, asked by drishtibhusal26, 5 months ago

Why did milkmaids who earlier had cowpox do not suffer from smallpox later ?

Since cowpox is more deadly than smallpox.

Since smallpox is more deadly than cowpox.

Since cowpox virus attack the smallpox virus.

Since smallpox virus is closely related to cowpox virus.​

Answers

Answered by AdityaPartapSingh
3

Answer:

option d is correct

pls like and mark the brainiest ans

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