Biology, asked by AarohiRohilla07, 7 months ago

when will vaccine of corana virus will come?​

Answers

Answered by rsultana331
3

Answer:

MAY BE BY SEPTEMBER 2020

Answered by sharon47
2

Answer:

When a disease is new, there is no vaccine until one is developed. It can take a number of years for a new vaccine to be developed.

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