Swine influenza surveillance, Wisconsin agricultural fairs, 1989 and 1990.
Chapman
L
L
Wells
D
D
Schonberger
L
L
Davis
J P
JP
Idtse
F
F
Hinshaw
V
V
D000328:Adult; D000818:Animals; D005260:Female; D006801:Humans; D009980:Influenza A virus; D007251:Influenza, Human / Q000635:transmission; D009976:Orthomyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary*; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*; D014922:Wisconsin / Q000453:epidemiology