A child in California is presumed to have H5N1 bird flu, according to the San Francisco Department of Public Health (SFDPH). As of Dec. 23, there had been 36 confirmed human cases of bird flu in the ...

The U.S. recorded its first human bird flu death. The patient lived in Louisiana, was over 65 and had underlying medical ...

Since March, 66 confirmed bird flu infections have been reported in the U.S., but previous illnesses have been mild.

CHICAGO (CBS) -- Wisconsin has identified its first human case of the bird flu. The Wisconsin Department of Health Services announced Wednesday that it had detected presumptive positive human case ...

The patient was infected with the D1.1 genotype of the virus that was recently detected in wild birds and poultry in the United States, and not the B3.13 genotype detected in dairy cows ...