Social Sciences, asked by abhishekverma2938, 10 months ago

vaccine of covid19 or corona please help me to search of Corona vaccine

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Answers

Answered by HARSHA10524
2

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.

Answered by saksham9023
1

no vaccine till now >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

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