EBV infections in brazil. III -- Infections mononucleosis.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001938:Brazil; D002648:Child; D002675:Child, Preschool; D005260:Female; D004854:Herpesvirus 4, Human / Q000276:immunology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007244:Infectious Mononucleosis / Q000453:epidemiology* / Q000276:immunology; D008137:Longitudinal Studies; D008297:Male; D012698:Serologic Tests; D012737:Sex Factors; D012959:Socioeconomic Factors