The world war against COVID-19 continues.
As the Sars-Cov-2 coronavirus rampages across the globe, a race is on to either create a vaccine or develop a cure.
Amidst the hectic research, the World Health Organisation has released a key report.
The report talks about deliberately infecting healthy people with covid in a research method called 'Human Challenge Studies'.
Watch the full video to find out how human challenge studies can be helpful in covid fight?
