Bird flu 'may be mutating to become more transmissible to humans'
Bird flu could be mutating to become more transmissible to humans, scientists have warned, as the US reported its first ...
The Manila Times on MSN35m
New bird flu mutation discovered in US; experts alarmed
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. A ...