How effective are the available Covid vaccine on new strains? | India vs Corona E-Conclave

How effective is available Covid vaccine on new strains? Can someone die of Covid even after getting 2 doses of Covid vaccine? Why do Covid patients die of heart attacks? 

Get all the answers to your questions in ABP News's India Vs Corona E-Conclave from Dr Arvind Kumar of Medanta Hospital.

India has recorded 4,14,188 fresh Covid-19 cases in the last 24 hours -- the highest so far, along with 3,915 fatalities, taking the total number of cases in the country to 2,14,91,598, the Union Ministry of Health and Family Welfare said on Friday.