title: Virological studies of smallpox in an endemic area. II. Virus content of clinical specimens and typing of virus isolates.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D012899:Smallpox / Q000382:microbiology*; D013696:Temperature; D012901:Variola virus / Q000302:isolation & purification*; D014776:Virus Cultivation