In this Friday, March 27, 2009 photo, a visitor wearing a mask walks near a poster promoting tuberculosis awareness which reads, "Control TB, Everyone's Duty" and a yellow "Do Not Spit" sign at the ... more 
In this Friday, March 27, 2009 photo, a visitor wearing a mask walks near a poster promoting tuberculosis awareness which reads, "Control TB, Everyone's Duty" and a yellow "Do Not Spit" sign at the Beijing Chest Hospital which specializes in the treatment of tuberculosis near in Tongzhou, China. One in 10 cases of tuberculosis in China cannot be treated by the most commonly-used drugs, a problem driven by lack of testing and misuse of medicine, according to a national survey made in 2007 and published Thursday, June 7, 2012 issue of the New England Journal of Medicine that shows for the first time the size of the epidemic of drug-resistant forms of the killer lung disease. (AP Photo/Ng Han Guan) less 
1 / 3
Associated Press | Photo By Ng Han Guan
Wed, Jun 6, 2012 6:36 PM EDT