How many people need to be vaccinated to get back to normal?

Herd immunity percentage is not a ‘magic threshold’

Margaret Keenan
Margaret Keenan was the first patient in the UK to receive the Pfizer/BioNtech vaccine
(Image credit: Jacob King/Pool/Getty Images)

Clinical tests from the various Covid-19 vaccine candidates last year offered a first glimmer of hope of a return to normality - but only now can the real-world impact of the jabs be assessed.

As countries worldwide race to inoculate populations against the coronavirus, the rollouts are beginning to affect rates of infections and related deaths. Here is what we can learn from the latest data on the main Covid vaccines.

Subscribe to The Week

Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.

SUBSCRIBE & SAVE
https://cdn.mos.cms.futurecdn.net/flexiimages/jacafc5zvs1692883516.jpg

Sign up for The Week's Free Newsletters

From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.

From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.

Sign up