Moderna's stock surged over 10% following the first U.S. avian influenza A (H5N1) death, as the company develops a vaccine.

Emergency room visits with influenza are now "very high" nationwide, the Centers for Disease Control and Prevention said ...

There is no evidence yet that the outbreak is extraordinary yet and Chinese officials have pushed back against claims of yet another pandemic.

Federal data show cases of pertussis – commonly known as whooping cough – in the state of Washington jumped more than 2,200%.

Health officials in Louisiana say a person there has died after catching bird flu. This marks the first reported death in the ...

The Centers for Disease Control and Prevention says there is a reported spike in human metapneumovirus (HMPV) in China, and ...

The Centers for Disease Control and Prevention is currently monitoring reports of a spike in human metapneumovirus (HMPV) in ...