Federal health officials upended the immunization schedule for American children this week. These are the diseases affected.

Late administration of the 2- and 4-month measles, mumps, and rubella (MMR) vaccines is the strongest factor associated with ...

Shasta County Health Officer Dr. James Mu said this year's flu season started earlier than normal, but says the severity isn't something unheard of.

The Missouri Department of Health and Senior Services reported a significant increase in flu activity statewide. The ...

Flu season has taken off nationwide, with cases rising rapidly in some parts of the country over the past few weeks. “We’ve seen sustained, elevated activity across multiple key indicators in many ...

Influenza A (H3N2) viruses appear to have entered a new phase of evolution. Analysis of more than 24,000 viral sequences revealed increasing diversification within clade J.2 and the emergence of a new ...

The shift would mean fewer shots recommended for children. But a Danish health official found the idea baffling, saying the United States was getting “crazier and crazier in public health.” By Apoorva ...

A new version of the common flu is spreading globally, and health officials are monitoring this evolving strain of influenza A(H3N3) Subclade K, which has been increasingly detected worldwide.

GREENVILLE, S.C. (FOX Carolina) - South Carolina has reported its first flu death this month, with health officials confirming the victim was a Lowcountry resident, as medical experts warn about a new ...