When the JYNNEOS vaccine for mpox rolled out last summer, health officials believed it would work. It was an educated guess, at the height of a public health emergency, based mostly on data from animal studies.
Now, after 1.2 million doses have been given in the U.S., the Centers for Disease Control and Prevention has real-world evidence that the mpox vaccines are working to prevent disease.
Three new studies show that two doses of the JYNNEOS vaccine are somewhere between 66% and 86% effective at preventing mpox among people at risk. The research was published on Thursday in the New England Journal of Medicine and the CDC’s Morbidity and Mortality Weekly,
Read this story and all our reporting for free — forever.
Sign up for our newsletter to support WABE’s mission of delivering independent, in-depth journalism — and hand-picked NPR stories that matter to Atlanta.
We will never share your email address with others. How does your newsletter sign-up support WABE and Public Media...