As a growing number of states weaken childhood immunization requirements, physicians fear many families will miss critical wellness checks.

The vaccine maker’s shots involve the successful Covid vaccines’ RNA technology. Health Secretary Robert F. Kennedy Jr. has ...

The F.D.A.’s refusal to examine the company’s mRNA shot drew widespread criticism from doctors and was divisive within the agency.

Flu vaccination rates among adults show early signs of stabilizing after several years of decline, though pediatric rates remain historically low, preliminary CDC data shows. The CDC’s Weekly ...

In a winter marked by flu outbreaks, the persistence of Covid-19, and surges of measles cases across the United States, an Annenberg survey finds that a sizable majority of Americans think the three ...