... however, the risk for M. tuberculosis infection in the overall U.S. population is low. The primary strategy for controlling TB in the United States is to minimize the risk for transmission by the ... developed at the University ofIllinois (Chicago, Illinois) from a strain originated at the Pasteur Institute. The Food andDrug Administration is considering another vaccine, which is produced ... as the disease became less prevalent; however, the risk is still high for HCWs who work in settings in which the incidence of TB among patients is high. The precise risk for TB among HCWs in the...