Massive COVID-19 wave unlikely if large population already infected: AIIMS doctor https://ift.tt/eA8V8J

"When large populations get infected, massive waves of the virus are unlikely. Natural infections lead to natural immunity which leads to a decline in the number of cases. Vaccinations also reduce disease severity and deaths," he said. 

from Zee News :India National https://ift.tt/3bITgC5