Four agricultural workers at a commercial egg farm tested presumptively positive for avian influenza, or bird flu.

The CDC is deploying a team to Washington state to assess the health of farm workers who culled poultry suffering from bird ...

All of the state's cases have been linked to contact with infected dairy cows, officials said. No human-to-human transmission ...

Four agricultural workers in southeast Washington have preliminarily tested positive for bird flu after working around an infected poultry flock at a commercial egg farm. The cases, if confirmed, woul ...

Four agricultural workers tested presumptively positive for avian influenza after working with infected poultry at a ...

Washington state health officials are investigating after four agricultural workers tested presumptively positive for bird ...

During the monitoring period, after the seasonal influenza period had ended, 59 wastewater treatment plants showed increases ...