Coronavirus Covid-19 Vaccine Latest Update: How human challenge works

Coronavirus Covid-19 Vaccine Latest Update: How human challenge works

Explained: How human challenge works

Written by Abantika Ghosh | New Delhi | Updated: May 18, 2020 at 4:30 am

Coronavirus (Covid-19) Vaccine: In the hunt for a virus, over 20,000 people worldwide have volunteered to infect themselves with coronavirus. How frequent are such trials, what is the objective, and what precautions are taken?