At a Tyson Chicken processing plant in Oklahoma, 41 out of 222 workers were found to be suffering from tuberculosis. There's no stated illegal immigration connection in the article ("Workers in Processing Plant Being Infected with Tuberculosis"), but let's just say it's possible that some or many might be of that status. The article also says there's no risk of it having spread to the food and, not being a food scientist I have no way of verifying that. But, one wonders why, for instance, cafeteria workers are screened for TB. Perhaps all 41 of the workers were clerical or something...