An infant in New Mexico died of listeria, prompting the state's health department to warn residents against consuming raw milk and other raw dairy products.  The New Mexico Department of Health said in a news release that officials believe the newborn contracted listeria as a result of unpasteurized milk their mother drank during pregnancy, though an exact cause cannot be pinpointed.  Listeria can cause miscarriage, stillbirth, preterm birth or fatal infections in newborns, even if the mother