Variola virus in the throat of healthy contacts of small-pox cases.
D000328:Adult; D002353:Carrier State / Q000382:microbiology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008875:Middle Aged; D010614:Pharynx / Q000382:microbiology*; D012899:Smallpox / Q000382:microbiology*; D012901:Variola virus / Q000302:isolation & purification*