Dengue viruses from febrile patients in Nigeria, 1964-68.
D000293:Adolescent; D000328:Adult; D000349:Africa; D000818:Animals; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D003715:Dengue / Q000453:epidemiology*; D003716:Dengue Virus / Q000145:classification / Q000302:isolation & purification*; D006801:Humans; D007223:Infant; D051379:Mice; D009500:Neutralization Tests; D009549:Nigeria