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Salmonella Outbreak Linked to Eggs

October 21, 2024

As of October 21, 2024, this outbreak is over. Recalled eggs are no longer available for sale and are outside their shelf life.

Overview

CDC and public health officials in several states are collecting different types of data to investigate multistate outbreaks of Salmonella Enteritidis infections. Epidemiologic, laboratory, and traceback data show that eggs supplied by Milo’s Poultry Farms are contaminated with Salmonella and making people sick.

As of October 17, 2024, a total of 93 people infected with one of the outbreak strains of Salmonella have been reported from 12 states (see map). Illnesses started on dates ranging from May 23, 2024, to August 10, 2024. Of 87 people with information available, 34 have been hospitalized and no deaths have been reported.

On September 6, 2024, Milo’s Poultry Farms LLC recalled eggs:

  • Sold to stores and restaurants in Michigan, Wisconsin, and Illinois.
  • All chicken egg types, such as cage-free, or organic.
  • All cases and carton sizes.
  • Labeled with “Milo’s Poultry Farms” or “Tony’s Fresh Market.”
  • All expiration dates.

Clinical Guidance

  • Presentation: Most people infected with Salmonella experience diarrhea, fever, and stomach cramps. Symptoms typically start 6 hours to 6 days after swallowing the bacteria. Most people recover without treatment after 4 to 7 days.
  • Who is at highest risk/complications: The incidence of Salmonella infection is highest in children younger than 4 years of age. In the United States, rates of invasive infections and mortality are higher in infants, elderly people, and people with hemoglobinopathies (including sickle cell disease) and immunocompromising conditions (eg, malignant neoplasms, HIV infection).
  • Patients should be seen by their pediatrician if they present with the following symptoms of Salmonella infection:
    • Diarrhea and a fever higher than 102°F
    • Diarrhea for more than 3 days that is not improving
    • Bloody diarrhea
    • Not tolerating oral liquids
    • Signs of dehydration, such as:
      • Decreased urine output
      • Dry mucous membranes
      • Orthostatic hypotension
  • Diagnosis: Isolation of Salmonella organisms from cultures of stool, blood, urine, bile (including duodenal fluid containing bile), and material from foci of infection is diagnostic. Salmonella gastroenteritis is diagnosed by stool culture or molecular testing (including PCR); stool testing should be obtained in all children with bloody diarrhea or unexplained persistent or severe diarrhea. See Red Book Salmonella diagnostic tests.
  • Risk Mitigation: CDC advises people should not eat any recalled eggs; they should be thrown away or returned to the store where they were purchased. People should wash items and surfaces that may have touched the recalled eggs using hot soapy water or a dishwasher.
  • Treatment: Antimicrobial therapy usually is not indicated for patients with either asymptomatic infection or uncomplicated gastroenteritis caused by Salmonella, because therapy does not shorten the duration of diarrheal disease, can prolong duration of fecal shedding, and increases symptomatic relapse rate. Antimicrobial therapy is recommended for gastroenteritis caused by Salmonella in people at increased risk for invasive disease, including infants younger than 3 months and people with chronic gastrointestinal tract disease, malignant neoplasms, hemoglobinopathies, HIV infection, or other immunosuppressive illnesses or therapies. Antibiotics should also be considered for those experiencing severe symptoms such as severe diarrhea or prolonged or high fever. If antimicrobial therapy is initiated in patients in the United States with presumed or proven Salmonella gastroenteritis, a blood and a stool culture should be obtained prior to antibiotic administration. Most cases of Salmonella gastroenteritis are treated empirically. If the person appears ill or has evidence of disseminated infection, hospitalization along with initiation of a broad-spectrum parenteral cephalosporin often is prescribed. Oral antimicrobials, such as azithromycin may be considered for patients who do not appear ill or have evidence of disseminated infection. If cultures are obtained, definitive therapy should be based on the susceptibility of the organism isolated.
  • Reporting: Suspected cases should be reported to the local department of public health.

Resources

Pediatric Practice Tools and Information

Salmonella | CDC

 

Public Health Resources

Salmonella Outbreak Linked to Eggs | CDC

Outbreak Investigation of Salmonella: Eggs (Sept 2024) | FDA

 

Infection Prevention and Control Resources

Project Firstline (aap.org)

 

Information for Patients and Caregivers

AAP HealthyChildren.org: Salmonella Infections in Children | In Spanish: Infecciones por Salmonela

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