131 EXPOSED IN GREENVILLE The number of workers exposed to tuberculosis at a Greenville, S.C., chicken plant has grown to 131, but state health officials cautioned Tuesday only one is suspected of having an active form of the infectious disease. The S.C. Department of Health and Environmental Control began testing employees at the House of Raeford Farms plant late last month after the agency was told about the infected worker. So far, 286 employees who have been in contact with the worker have been tested. The percentage of positive cases is believed to be high because many of the plant's...