CDC's final guidelines on TB go easy on health facilities with no TB cases.
D002487:Centers for Disease Control and Prevention, U.S.; D017408:Guidelines as Topic; D006268:Health Facilities / Q000331:legislation & jurisprudence* / Q000592:standards; D006801:Humans; D017053:Infection Control / Q000331:legislation & jurisprudence / Q000592:standards*; D014376:Tuberculosis / Q000517:prevention & control*; D014481:United States