English, asked by tyadav2401, 1 month ago

what is the significance of taking covid-19 vaccination​

Answers

Answered by devindersaroha43
22

Answer:

Explanation:

There are four types of vaccines in clinical trials: whole virus, protein subunit, viral vector and nucleic acid (RNA and DNA), each of which protects people, but by producing immunity in a slightly different way.

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