title: TB... or not TB?--Part one.
authors.affiliation: jaob@consultant.com
authors.forename: Judith A
authors.initials: JA
authors.lastname: O'Brien
mesh_terms: D006703:Ill-Housed Persons; D006801:Humans; D017758:Infectious Disease Transmission, Patient-to-Professional / Q000517:prevention & control*; D014376:Tuberculosis / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission; D014481:United States / Q000453:epidemiology; D014489:United States Occupational Safety and Health Administration; D014944:World Health Organization