2024 United States listeriosis outbreak

2024 United States Listeriosis Outbreak

The 2024 United States listeriosis outbreak refers to a significant public health event involving the spread of the bacterial infection listeriosis across multiple states in the United States. This outbreak has been linked to contaminated food products and has resulted in numerous cases of illness and several fatalities.

Background

Listeriosis is a serious infection caused by eating food contaminated with the bacterium *Listeria monocytogenes*. It primarily affects pregnant women, newborns, older adults, and individuals with weakened immune systems. The symptoms of listeriosis include fever, muscle aches, and gastrointestinal symptoms such as nausea or diarrhea. In severe cases, the infection can spread to the nervous system, causing meningitis or encephalitis.

Outbreak Details

The 2024 outbreak was first identified in early January when several cases of listeriosis were reported in the Midwest. The Centers for Disease Control and Prevention (CDC) quickly launched an investigation to determine the source of the outbreak. By mid-February, the outbreak had spread to over 20 states, with more than 200 confirmed cases and 15 deaths.

Source of Contamination

The CDC, in collaboration with the Food and Drug Administration (FDA) and state health departments, traced the source of the outbreak to a batch of contaminated soft cheeses produced by a major dairy company. The contamination was linked to unsanitary conditions in the production facility, which allowed *Listeria monocytogenes* to thrive.

Response and Control Measures

Upon identifying the source, the FDA issued a nationwide recall of the affected cheese products. Public health officials advised consumers to check their refrigerators for the recalled products and to dispose of them immediately. The dairy company involved in the outbreak temporarily halted production to address the contamination issues and improve their sanitation protocols.

Impact

The outbreak had a significant impact on public health and the food industry. Hospitals in affected areas reported an increase in admissions related to listeriosis, and public health campaigns were launched to raise awareness about the risks of listeriosis and the importance of food safety.

Prevention

To prevent future outbreaks, the CDC and FDA have emphasized the importance of strict adherence to food safety regulations, particularly in facilities that produce ready-to-eat foods. Consumers are also advised to practice safe food handling and to be aware of the symptoms of listeriosis, especially if they belong to high-risk groups.

Also see

• Listeriosis
• Foodborne illness
• Centers for Disease Control and Prevention
• Food and Drug Administration
• 2023 United States listeriosis outbreak