COCA Now: Final Update--Multistate Outbreak of Salmonella Typhimurium Linked to Chicken Salad

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Final Update:

Multistate Outbreak of Salmonella Typhimurium Linked to Chicken Salad

Outbreak Summary

On February 21, 2018, Triple T Specialty Meats, Inc. recalled all chicken salad produced from January 2, 2018 to February 7, 2018. The recalled chicken salad was sold in containers of various weights from the deli at Fareway grocery stores in Illinois, Iowa, Minnesota, Nebraska, and South Dakota from January 4, 2018, to February 9, 2018.

chicken salad

A total of 265 people infected with the outbreak strains of Salmonella Typhimurium were reported from 8 states. A list of the states and the number of cases in each can be found on the Case Count Map page. Whole genome sequencing performed on bacteria isolated from ill people showed that they were closely related genetically. This means that people in this outbreak were more likely to share a common source of infection.

Illnesses started on dates ranging from January 8, 2018, to March 20, 2018. Ill people ranged in age from less than 1 year to 89 years, with a median age of 57. Sixty-seven percent of people were female. Ninety-four hospitalizations were reported, including one person from Iowa who died.

CDC collaborated with public health and regulatory officials in several state and the U.S. Department of Agriculture’s Food Safety and Inspection Service to investigate the multistate outbreak of Salmonella Typhimurium infections. However, as of April 6, 2018, this outbreak appears to be over.

Read the entire Final Update on this multistate outbreak here.

Information for Healthcare Professionals and Laboratories

Estimates

CDC estimates that approximately 1.2 million illnesses and 450 deaths occur due to non-typhoidal Salmonella annually in the United States1.

Incidence

FoodNet reports that the annual incidence of Salmonella infection in the United States was 15.2 illnesses per 100,000 individuals2.

Trends

Compared to 2010-2012, the incidence of non-typhoidal Salmonella infection showed a 9% decrease in 20132. Visit the FoodNet website for more detailed information about the most recent trends in Salmonella infection.

Risk Factors

  • Salmonella infection is more common in the summer months (June, July, and August) than winter.
  • Children under 5 years old are the most likely to get a Salmonella infection3.
  • Infants who are not breast fed are more likely to get a Salmonella infection4.
  • Children who are 5 years old and younger, adults over 65 years old, and people with weakened immune systems are the most likely to have severe infections.
  • Certain medications (for example, medications to reduce stomach acid) can increase the risk of Salmonella infection5.

Outbreaks

In 2012, 831 foodborne outbreaks were reported to CDC6. They were caused by a variety of pathogens, and 106 of them were confirmed Salmonella. Salmonella accounted for the most hospitalizations (64%) in outbreaks with a confirmed cause6. In the largest recent outbreak, between March 2013 and July 2014, over 600 individuals in 29 states and Puerto Rico were infected with seven outbreak strains of Salmonella Heidelberg7. This outbreak was associated with one brand of chicken, that led to a company recall of over 40,000 pounds of chicken products8, and ended after the company instituted new control measures to reduce contamination.

    For more information about Salmonella and steps that people can take to reduce their risk of infection, visit CDC’s Salmonella webpage.