The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

A dead American Crow found in the Clairemont area of San Diego has tested positive for West Nile virus, prompting County environmental health officials to remind people to protect themselves from ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

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

Avian flu in dairy cows could stick around on US farms forever, and is raising the risk of outbreaks in mammals—including ...