Bombay Durpun - Health (English)

New bird flu mutation discovered in US as cat infections cause alarm

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 in cats.

Bird flu mutated inside US patient, raising concern

The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to human airways, though there is no evidence it has spread beyond the individual, authorities said.