Now four years later, a dozen eggs costs an average of nearly $5 in the U.S. because of the lingering bird flu, so Nevada ...

Health officials have confirmed that bird flu has been detected in milk from a cattle herd at a Phoenix-area dairy facility.

Bird flu was recently detected in milk produced by an Arizona dairy herd for the first time, officials announced Friday.

Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

A sample of milk from a herd of dairy cows in Maricopa County has tested positive for H5N1 avian influenza, or bird flu, according to the Arizona Department of Agriculture.

Milk from every dairy in Arizona has been tested for avian flu at least once since January, but this week was the first time a test turned up positive.

Arizona agricultural officials say they now have the first detection of H5N1 avian influenza in milk produced by a dairy herd within the state.

A dairy facility in Maricopa County has been placed under quarantine after avian flu was detected in its milk supply, the agriculture department said.

A Mercer County farm worker came into contact with dead poultry that was infected with the disease, the state's health department reports.

UPMC said that it will soon require all patients, visitors, support persons and staff to wear masks in its patient care areas ...