title: [An epidemic of meningitis caused by Coxsackie A9 virus in the City of Wrocław in 1974].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology*; D004770:Enterovirus / Q000302:isolation & purification*; D006801:Humans; D008587:Meningitis, Viral / Q000453:epidemiology* / Q000209:etiology; D011044:Poland
vernacular_title: Epidemia zapalenia opon mózgowo-rdzeniowych wywołanego wirusem Coxackie A9 w mieście Wrocławiu w 1974 roku