[Occurrence of infectious parotitis in the rural population].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009107:Mumps / Q000453:epidemiology*; D011044:Poland; D012423:Rural Health
Epidemia nagminnego zapalenia przyusznic na terenie wiejskim.