While tragic, a death from H5N1 bird flu in the UnitedStates is not unexpected because of the known potential for infection with these viruses to cause severe illness and death. As of January ...
But last week the CDC reported the first bird flu death in the UnitedStates ... told Salon H5N1 and other avian influenza viruses are a type A influenzavirus. "We do need subtype ...
The findings come at a time when outbreaks of bird flu -- a different subtype of the same influenza ... Single Mutation in H5N1Influenza Surface Protein Could Enable Easier Human Infection ...