<unk><unk>  may be classified according to the genera of the infective agent into either<unk>  A (common) or<unk>  C (rare).<unk>  B has not been associated with development of<unk><unk> .
Swine influenza classification
Influenza classification
Hantavirus infection classification
Malaria classification
Measles diagnostic criteria
Dengue fever classification
Diphtheria classification
Influenza cost-effectiveness of therapy