An epidemiologist makes the case that a rush of research to stop a swine flu outbreak led to an accidental lab release of an ...

New test results suggest Missouri did not see a cluster of bird flu cases, a possibility that some experts had feared.

A CDC spokesperson said that the effectiveness of the vaccine for H1N1 was "within the range" of previous seasons. "Overall, flu vaccination reduced the risk of hospitalization by about one-third ...

This year's flu vaccine significantly reduced the risk of hospitalization in the Southern Hemisphere but was not as effective ...

The number of bird flu cases has risen to 31 in the U.S. but there is no evidence of person-to-person transmission, the CDC ...

For flu, the CDC is still publishing more detailed weekly ... "type" – influenza A or B – and "subtype" – like H3N2 or H1N1 – that is being reported to the agency from testing laboratories.

For flu, the CDC is still publishing more detailed weekly ... "type" – influenza A or B – and "subtype" – like H3N2 or H1N1 – ...

CDC post asking Americans to mask up for flu season draws ire from social media users - Wearing a mask helps to prevent the ...

Black, Hispanic, and American Indian/Alaska Native (AI/AN) adults in the United States are more likely to be hospitalized with flu, as well as less likely to be vaccinated against flu, according to a ...

Like the two previously reported cases, the individual was a dairy worker who had occupational exposure to infected dairy ...

The effectiveness of this year's influenza vaccine was lower in South America than last season, the Centers for Disease ...