Virological and epidemiological studies on an outbreak of aseptic meningitis caused by echovirus 4 in northern Japan in 1964.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D029822:Enterovirus B, Human; D004769:Enterovirus Infections / Q000453:epidemiology* / Q000276:immunology*; D005260:Female; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D008587:Meningitis, Viral / Q000453:epidemiology*; D008875:Middle Aged; D009500:Neutralization Tests