[Influenza].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000175:diagnosis* / Q000517:prevention & control
D007252:Influenza Vaccines
Gripp.