title: Duration of virus excretion in the throat of asymptomatic household contacts of smallpox patients.
mesh_terms: D000328:Adult; D003428:Cross Infection / Q000382:microbiology*; D005260:Female; D006801:Humans; D008297:Male; D010614:Pharynx / Q000382:microbiology*; D012899:Smallpox / Q000382:microbiology*; D013997:Time Factors; D012901:Variola virus