The U.S. Department of Agriculture plans to embark on a year-long study beginning next month that will test samples for ...

Bird flu typically spreads among birds, but there have been recent outbreaks among cattle in the U.S., and one Texas man ...

The number of California dairy herds reported to have outbreaks of H5N1 bird flu has grown to eight.

A close contact of someone with bird flu became ill on the same day, the C.D.C. reported. But the second person was not ...

A patient in Missouri was hospitalized with bird flu despite having no ... "If our cases of influenza A spike, we need to test more samples to see if some are avian influenza." ...

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how ...

An individual in Missouri has contracted bird flu, the first human infection unconnected to farm work in an outbreak detected in the spring when the disease was discovered among dairy cows.

The H5N1 bird flu has been spreading widely among wild birds, poultry, cows and a growing number of other animals NBC ...

Health officials say a hospitalized patient in Missouri was infected with bird flu, despite having no known contact with ...

A Missouri resident has tested positive for bird flu even though there is no ... 22 and treated with an anti-viral medication after a flu test turned positive. When that test didn't match the ...

The first human case of H5 bird flu with no ... tested positive for flu A, but negative for seasonal flu A virus subtypes. That finding triggers additional testing. "CDC continues to closely ...