San Diego County has a closed sewage system, meaning that its stormwater and wastewater do not intentionally intermix. This ...

San Diego County is now the fifth location in California to detect the bird flu, county officials announced Monday.

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

State and federal officials have identified new cases of avian influenza at three Central Valley dairies as the number of ...

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...

Three more California dairy herds have been infected with H5N1 bird flu. A new case of human infection has also been reported ...

On Monday state officials announced they had completed testing on all 95 licensed farms in Massachusetts that have dairy ...

With producers reluctant to test their sick cattle, state must mandate testing of milk storage tanks for the virus.

Health officials on Thursday said they don’t know how a Missouri person caught bird flu but believe it may be a rare instance ...

This year in the United States, 14 people have tested positive for avian influenza, or bird flu. Nine of those became ...

Federal officials are still trying to determine how a Missouri resident with no known exposure to bird flu, contracted the ...