Analysis | Why Delta Is Making Herd Immunity Harder to Reach

Many countries are counting on vaccines to build sufficient immunity in their populations so that SARS-CoV-2, the virus that causes Covid-19, isn’t able to find enough people to infect, causing transmission to eventually stop. But even in countries with a high proportion of people inoculated with highly effective vaccines, it’s unclear whether it’s possible to reach the so-called herd immunity threshold anytime soon. Researchers warn that the virus is apt to be circulating among us for a long ti
Source

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button