Herd immunity can work only when there is vaccination also: Medical experts

I do not know why many literate people are thinking we are immune to the virus. This approach is depressing, says Dr Chatterjee

I do not know why many literate people are thinking we are immune to the virus. This approach is depressing, says Dr Chatterjee https://ift.tt/2LGRww4 May 18, 2020 at 05:25PM