Public health experts are cautioning people not to consume unpasteurized milk and cheese from Mexico after a new study found that those products have caused hundreds of individuals – mostly Latinos – to become sick over the years with a hardy form of tuberculosis. Their warning is part of county government's ongoing efforts to discourage consumers from buying queso fresco, or “fresh cheese,” and other unpasteurized dairy items from unlicensed street vendors and shops not certified by health regulators. Between 1994 and 2005, the county's Tuberculosis Control Program reported 3,291 cases of active infection. About 8 percent of those patients...