title: [Clinical course of serous meningitis associated with ECHO virus infection].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004457:Echovirus Infections / Q000150:complications*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008587:Meningitis, Viral / Q000453:epidemiology*; D012621:Seasons
vernacular_title: Przebieg kliniczny surowiczego zapalenia opon mózgowo-rdzeniowych zwiazanego z epidemia wywołana wirusami ECHO.