title: CLINICAL AND SUBCLINICAL VARIOLA MINOR IN A WARD OUTBREAK.
mesh_terms: D001938:Brazil; D003168:Complement Fixation Tests; D003428:Cross Infection; D004196:Disease Outbreaks; D004813:Epidemiology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D012899:Smallpox; D012901:Variola virus
keywords: BRAZIL; COMPLEMENT FIXATION TESTS; CROSS INFECTION; EPIDEMIOLOGY; HEMAGGLUTINATION INHIBITION TESTS; SMALLPOX