| Haber: |
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
https://www.washingtonpost.com/business/why-delta-is-makingherd-immunity-harder-to-reach/2021/08/04/188be4a2-f59c-11eb-a636-18cac59a98dc_story.html?utm_source=rss&utm_medium=referral&utm_campaign=wp_business
|
