H5N1, or bird flu ... tests to determine if the virus had spread among them. Test results on five health care workers who ...

USDA will begin bulk testing milk supplies starting in states where dairy cattle tested positive last spring for the H5N1 bird flu virus. Bird flu is an increasing concern for USDA, amid H5N1 infectio ...

The USDA is set to begin testing bulk raw milk for bird flu contamination in an effort to control the rapid spread of the virus. In addition to more ...

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

In the heart of California’s dairy country, workers kitted in respirators, face shields and gloves are grappling with one of ...

After H5N1 was identified in other animals on the farm, five swine were euthanized for testing; two tested negative ... the ...

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

Five pigs on a noncommercial farm in Oregon were tested for the virus after other animals fell ill. As NBC News points out, "pigs can become infected with both bird and human viruses at the same time, ...

Public health officials maintain the risk of H5N1 bird flu infection remains low. They are searching for the source.

Health officials say there’s no evidence bird flu is spreading between people after investigating a mysterious Missouri ...

California is experiencing a fall wave of highly pathogenic avian influenza — or H5N1 — among dairy and poultry operations.

A pig has tested positive for bird flu for the first time in the U.S. According to the U.S. Department of Agriculture (USDA), the pig was from a backyard farm in Crook County, Oregon that has a mix of ...