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CDC estimates that approximately 1600 illnesses and 260 deaths due to listeriosis occur annually in the United States1.


In 2013, the average annual incidence of listeriosis in the United States was 0.26 cases per 100,000 individuals2.


Compared to 1996-1998, the incidence of listeriosis had declined by about 42% by 20123. However, there was no observed change in incidence of listeriosis in 2012 compared to 2006-20083.


In 2012, 831 foodborne outbreaks were reported to CDC.4 In 2012, there were 4 confirmed outbreaks and 1 suspected outbreak of listeriosis in the United States4. The largest listeriosis outbreak in U.S. history occurred in 2011, when 147 illnesses, 33 deaths, and 1 miscarriage occurred among residents of 28 states; the outbreak was associated with consumption of cantaloupe from a single farm5.


  1. Scallan E, Hoekstra RM, Angulo FJ, Tauxe RV, Widdowson MA, Roy SL, Jones JL, Griffin PM. Foodborne illness acquired in the United States--major pathogens [PDF - 9 pages]. Emerging infectious diseases. 2011;17(1):7-15.
  2. CDC. Incidence and Trends of Infection with Pathogens Transmitted Commonly Through Food — Foodborne Diseases Active Surveillance Network, 10 U.S. Sites, 2006–2013. MMWR Morb Mortal Wkly Rep. 2014;63(15);328-332
  3. CDC. Foodborne Diseases Active Surveillance Network (FoodNet): FoodNet Surveillance Report for 2012 (Final Report) [PDF - 36 pages]. Atlanta, Georgia: U.S. Department of Health and Human Services, CDC. 2014.
  4. CDC. Surveillance for Foodborne Disease Outbreaks, United States, 2012, Annual Report [PDF - 20 pages]. Atlanta, Georgia: US Department of Health and Human Services, CDC, 2014.
  5. CDC. Multistate outbreak of listeriosis associated with Jensen Farms cantaloupe--United States, August-September 2011. MMWR Morb Mortal Wkly Rep. 2011;60(39):1357-8.