Is a tuberculosis exposure a tuberculosis exposure if no one is infected?
E A
EA
Nardell
D003428:Cross Infection / Q000517:prevention & control / Q000635:transmission; D006801:Humans; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control / Q000635:transmission*; D014481:United States; D014489:United States Occupational Safety and Health Administration