The poop, or guano, of infected birds is teeming with viruses. Out of all known influenza subtypes, all but two have been found in birds. The other two subtypes have only been found in bats.

MINNEAPOLIS — Flu expert says bird flu virus may be spread by infected feces blowing in the wind. Dr. Michael Osterholm is a medical detective and Director of the Center for Infectious Disease ...

Helayne Seidman Russell Moss, 63, claimed the unhinged feeding sessions have driven seniors from the park and kept them from sitting on benches due to the perpetual layer of bird poop.

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

It doesn't require a degree in ornithology, a lab test or even an app for most growers to determine whether bird poop near their crops presents a food safety risk. They just need to ask themselves ...