Congenital measles has rarely been seen in the U.S. That’s changing as vaccination declines and more pregnant women become infected.

NIH officials called immigration authorities after scrutinizing the patient’s identification presented to security at the National Institutes of Health Clinical Center.

Agency to end 22 federal contracts, questioning safety of technology credited with helping end Covid pandemic

Between 17 May and 12 July 2025, the Information and Public Relations Department, Government of Kerala informed through a series of official press releases about four confirmed cases, including two de...

Vaccine experts and people steeped in pandemic preparedness expressed horror at the news that RFK Jr. has shut the door in U.S. investment in mRNA vaccine research.

Vaccine experts and people steeped in pandemic preparedness expressed horror at the news that RFK Jr. has shut the door in U.S. investment in mRNA vaccine research.

This report describes COVID-19 incidence rate ratios for unvaccinated versus fully vaccinated persons with and without booster vaccine doses during the emergence of the Omicron variant.

The mRNA vaccines are credited with slowing the 2020 coronavirus pandemic.

As federal vaccine policy shifts under US health secretary Robert F. Kennedy Jr., lawmakers are looking to give state-level public health officials authority to ignore federal recommendations.

A cancer-killing virus could soon be approved for use after shrinking tumours in a third of people with late-stage melanoma

Thimerosal, which contains an organic compound of mercury, has mostly been phased out as a preservative for vaccines. Here’s how we know it is safe and why we still use it in some vaccines given to ad...

Gavi works to expand access to vaccines for children in some of the world’s poorest countries. Health experts say the move could have deadly consequences.

The health secretary has made many inaccurate statements about vaccines. But the science is clear that vaccines have dramatically reduced childhood illness

See the ACIP membership roster.