The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...
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 ...
WASHINGTON - The ongoing spread of bird flu in the United States has alarmed experts - not just because of human cases causing severe illness, but also due to troubling new instances of infections ...