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

In his confirmation hearings, Robert F. Kennedy Jr. told U.S. senators that he would not cut funding for vaccine research or change the nation's official vaccine recommendations. He did both.

Since our children returned to school after winter break, we’ve collectively had weeks of viral illnesses run through our households. As physicians in both primary care and specialty settings, we ...

After public speakers criticized the county's handling of the recent measles outbreak, county officials responded with somewhat conflicting messages.

Shasta County health officials report two new measles cases, bringing the total to eight. The new patients had close contact with the first case and isolated early, preventing public exposure.