Breaking News

Coronavirus pandemic: What it takes to get to herd immunity

How many people would have to develop immunity to Covid-19 for us reach herd immunity? There’s the simple answer, and then there are three more complicated ones. Read on...

https://ift.tt/eA8V8J from Hindustan Times - topnews https://ift.tt/2INmwMA
How many people would have to develop immunity to Covid-19 for us reach herd immunity? There’s the simple answer, and then there are three more complicated ones. Read on...