In the inaugural session of the Hindustan Times Leadership Summit 2020, Dr Ashish K.
Jha, Dean, Brown University School of Public Health, spoke to R.
Sukumar, editor-in-chief, Hindustan Times on the issue which will define the current year - the Covid-19 pandemic.
Dr Jha shed light on the complicated link between immunity and the viral disease.
He said that most people seem to develop immunity against Covid, and it lasts for around 8-9 months.
A vaccine might improve this to a year.
Watch the full video for more.
