A/H1N1 flu pandemic. Should flu have at least one respiratory symptom?
Sharvill
Nicholas J
NJ
D003937:Diagnosis, Differential; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000175:diagnosis*; D012141:Respiratory Tract Infections / Q000821:virology*