Ill people have reported eating at Subway restaurants located in 23 Illinois counties — Bureau, Cass, Champaign, Christian, Coles, DeWitt, Fulton, Knox, LaSalle, Macon, Marshall, Mclean, Moultrie, Ogle, Peoria, Sangamon, Schuyler, Shelby, Tazewell, Vermilion, Warren, Winnebago and Will. Age range of confirmed cases: 2 to 79.
(38.6 cases of Salmonella infection for each culture-confirmed case see, http://www.cdc.gov/enterics/publications/374-voetscha1.pdf)