New study shows how vaccinated people in a household are helping protect the unvaccinated

accreditation
Share your Subscriber Article
You have 5 articles to share every month. Send this story to a friend!
0:00
play article
Subscribers can listen to this article
Peter Zelei Images

A new, large study has found that vaccines play a key role in reducing the transmission of Covid-19 within families, which is likely to have implications for herd immunity and pandemic control.

The study published in JAMA Internal Medicine investigated how Covid-19 immunity within families could be associated with the risk for infection in family members not vaccinated.

The researchers enrolled 1 789 728 people from 814 806 families in Sweden. They used national data to assess people who acquired immunity from either previous Covid-19 infection or full vaccination until 26 May 26 2021.

Support independent journalism
Subscribe to News24 for just R75 per month to read all our investigative and in-depth journalism. You can cancel any time.
Subscribe
Already a subscriber? Sign in