Friday, September 24, 2021

CDC Investigation - Source Still Unknown for Ongoing Salmonella Outbreak

CDC and public health and regulatory officials in several states are investigating a multistate outbreak of Salmonella Oranienburg infections. The investigation has not yet identified a food linked to illness.
  • On September 2, 2021, CDC identified an outbreak of 20 Salmonella Oranienburg infections. Since then, the outbreak has grown rapidly.
  • As of September 21, 2021, 279 people infected with the outbreak strain of Salmonella Oranienburg have been reported from 29 states (see map). Illnesses started on dates ranging from August 3, 2021 to September 13, 2021 (see timeline).
  • Sick people range in age from less than 1 year to 89 years, with a median age of 35, and 59% are female. Of 86 people with information available, 26 have been hospitalized and no deaths have been reported.
https://www.cdc.gov/salmonella/oranienburg-09-21/index.html
Salmonella Outbreak with Unknown Food Source
Posted September 23, 2021

Fast Facts
Illnesses: 279 (152 new)
Hospitalizations: 26 (8 new)
Deaths: 0
States: 29 (4 new)
Recall: No
Investigation status: Active




Investigation Details
Posted September 23, 2021
September 23, 2021
CDC and public health and regulatory officials in several states are collecting different types of data to investigate a multistate outbreak of Salmonella Oranienburg infections. The investigation has not yet identified a food linked to illness.

Epidemiologic Data

On September 2, 2021, CDC identified an outbreak of 20 Salmonella Oranienburg infections. Since then, the outbreak has grown rapidly.

As of September 21, 2021, 279 people infected with the outbreak strain of Salmonella Oranienburg have been reported from 29 states (see map). Illnesses started on dates ranging from August 3, 2021 to September 13, 2021 (see timeline).

Sick people range in age from less than 1 year to 89 years, with a median age of 35, and 59% are female. Of 86 people with information available, 26 have been hospitalized and no deaths have been reported.

The true number of sick people in an outbreak is likely much higher than the number reported, and the outbreak may not be limited to the states with known illnesses. This is because many people recover without medical care and are not tested for Salmonella. In addition, recent illnesses may not yet be reported as it usually takes 3 to 4 weeks to determine if a sick person is part of an outbreak.

State and local public health officials are interviewing people about the foods they ate in the week before they got sick. CDC is analyzing the data and has not identified a specific food item as a potential source of this outbreak. Several groups of people (“subclusters”) at restaurants in multiple states have been identified. These subclusters are groups of people who do not know one another who ate at the same restaurant and got sick. Investigating these subclusters can sometimes help identify a food item eaten by all of the sick people that could be the source of the outbreak.

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