According to the CDC, there is no evidence of human-to-human transmission of bird flu in the case of the Missouri patient with no known infected animal contact.

The case concerned health officials and experts because human-to-human transmission of the H5N1 strain of avian influenza ...

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 ...

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

Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known ...

Human bird flu cases in California may be undercounted as farm workers avoid testing due in part to economic concerns, ...

Four agricultural workers in Washington state were recently diagnosed with avian influenza A (H5N1). The cases mark the first human infections of the disease under investigation in the state.

Containing a potential H5N1 pandemic would depend on how rapidly a vaccine targeted to the emergent strain can be ...

During the monitoring period, after the seasonal influenza period had ended, 59 wastewater treatment plants showed increases ...

The workers have had mild symptoms and have been given antiviral medication by the Benton Franklin Health District. Other workers at the farm are being tested and the number of hu ...

The CDC’s Timothy M. Uyeki, M.D., cautioned, however, that if the virus changes, and especially if it begins to infect pigs, ...

Wearing a mask helps to prevent the spread of respiratory illnesses, according to Centers for Disease Control and Prevention ...