Foodborne Outbreaks

New If you are pregnant, aged 65 or older, or have a weakened immune system, contact your healthcare provider if you have any Listeria symptoms. Click to learn more.

New Don’t eat recalled or contaminated enoki mushrooms. If you are pregnant, aged 65 or older, or have a weakened immune system, do not eat any raw enoki mushrooms. Click to learn more.

Shop with deli meat and cheese on shelves

New If you are pregnant, aged 65 or older, or have a weakened immune system, do not eat meat or cheese from any deli counter unless reheated to 165°F or until steaming hot. Click here to learn more.

Learn more about how CDC decides to issue an outbreak notice

State and Local Partners, Federal Partners, and Food Industry Partners

Learn more about the key partners in foodborne outbreak investigations

Current and Past Foodborne Outbreaks

Things to Know About Outbreak Investigations

Outbreak Investigation Steps

Tools for Outbreak Investigators

Food Safety Recalls

Screen grab of YouTube video depicting 2d illustration of foodborne disease outbreak investigators

Types of Data Collected

Find out the three types of data that investigators collect during an outbreak

2-d illustration depicting a family sitting around dinner table unknowningly eating contaminated food.

Linking Illnesses to Outbreaks

Learn why it takes 3–4 weeks for public health officials to link an illness to an outbreak

Help CDC Solve Foodborne Outbreaks

Take three steps to help us find out what food is making you or others sick

Help Solve!