Current Affairs - National - Discussion

Discussion :: National - Latest Current Affairs (Q.No.1026)

1026. 

World Health Organization had selected how many people to participate in human challenge trials to develop new vaccines for COVID-19?

[A]. 3 people
[B]. 7 people
[C]. 5 people
[D]. 8 people

Answer: Option D

Explanation:

World Health Organization announced that it had selected 8 people out of the several people who step forward to participate in human challenge trials to develop new vaccines for COVID-19. Human challenge trials are trials in which participants are intentionally challenged (whether or not they have been vaccinated) with an infectious disease organism. In the first phase, a small group of people will receive the vaccination. In the second phase, Vaccine is given to people whose characteristics are similar to those for whom the new vaccine is intended. In the third phase, the trial vaccine will be given to several thousand to test the safety and efficacy.

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