The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

The conditions of the cats varied, but they all have upper respiratory infections, or a “kitty cold,” Tina Updegrove, the organization’s animal welfare and response coordinator, said.

Felines of all varieties tend to explore and hunt smaller prey, such as birds and mice, which can carry bird flu.

Rather than intensifying disease, Kuiken pointed out, such adaptations might actually result in milder infections by favoring cells in the upper respiratory tract -- causing symptoms like a runny ...