Vaccines

The FDA has issued a long-awaited approval of Novavax’s COVID-19 vaccine but with unusual restrictions.

During a congressional budget hearing Wednesday, Robert F. Kennedy Jr. deflected questions about his position on vaccines. The Health and Human Services secretary has been a longtime proponent of false vaccine conspiracies.

Oncologist Vinay Prasad was named the new vaccine chief by the FDA in May 2025. Here’s what you need to know.

If the FDA deems Pfizer’s and Moderna’s updated vaccines “new” products, it’s extremely unlikely the doses would be ready for the fall, vaccine experts say.

U.S. measles cases topped 700 as of Friday, capping a week in which Indiana joined five other states with active outbreaks. Texas grew by another 60 cases.

Dr. Diego Hijano, a pediatric infectious disease expert from St. Jude Children’s Research Hospital, answers your questions on how the MMR vaccine can protect your kids from the measles.

Under Kennedy’s leadership, HHS has seen mass firings across health agencies, including staff responsible for outbreak response and vaccine access.

It’s been shown that reactivation of the chickenpox virus can lead to the accumulation of aberrant proteins associated with Alzheimer’s.

Measles vaccination rates for young children may be far lower than publicly reported, a troubling development that could mean the United States is closer than expected to losing its “elimination status” for the extremely contagious disease. “We are experiencing an extremely concerning decline in measles vaccination in the very group most vulnerable to the disease,” said Benjamin Rader, a computational epidemiologist at Boston...

The CDC is expected to hand over multiple sets of vaccine safety data to a discredited researcher with a history of spreading misinformation that vaccines cause autism, according to two sources familiar with the plan.

There are a lot of questions about the efficacy of the measles vaccine and whether some should get a booster or be revaccinated. We’ve got answers.

The Mennonite population is being affected by a measles outbreak in West Texas. Here’s a closer look at the Anabaptist family of churches and some of their varying pratices, cultures and traditions.

Health officials in Lubbock, Texas, held a press conference on Wednesday following confirmation of the first death related to the current measles outbreak.

The canceled meeting comes just days after a CDC vaccine advisory committee meeting was abruptly postponed.

An HHS spokesperson didn’t say when the meeting would be rescheduled.

A vaccine for poultry was just approved. Will we need a bird flu vaccine for humans, too?

Robert F. Kennedy Jr.’s long record of doubting the safety of childhood vaccinations persisted as a flash point for him Thursday in a confirmation hearing.

Sen. Bernie Sanders, I-Vt. questioned RFK Jr. about the infant onesies once sold by Children’s Health Defense, the anti-vaccine nonprofit Kennedy founded, in his Senate confirmation hearing on Wednesday.

Vaccination bills are popping up in more than 15 states as lawmakers aim to potentially resurrect or create new religious exemptions from immunization mandates, establish state-level vaccine injury databases or dictate what providers must tell patients about the shots.

The drug is already sold to treat HIV infections and Gilead plans to seek approval soon to use it to guard against infections.