CORE Annual Reports summarize the adverse events and outbreaks linked to FDA-regulated foods investigated by the CORE Network by calendar year, and highlight any public health actions that were taken as a result of those investigations.

Outbreak Investigation of Listeria monocytogenes: Mushrooms (March 2020)

The FDA, along with CDC and state and local partners are investigating a multistate outbreak of Cyclospora infections potentially linked to ALDI, Hy-Vee, and Jewel-Osco grocery store brand garden salads containing iceberg lettuce, red cabbage, and carrots.

The FDA and CDC, in collaboration with state and local partners, is investigating illnesses in a third multistate outbreak of E.coli O157:H7 infections this Fall.

Outbreak Investigation of E. coli – Leafy Greens (December 2020)

FDA, along with CDC and state and local partners, are investigating an outbreak of 14 illnesses caused by E. coli O103 in Iowa, Illinois, Missouri, Texas and Utah.

The FDA, along with CDC and state and local partners, investigated a multistate outbreak of Listeria monocytogenes infections potentially linked to Dole packaged leafy greens.

The FDA and CDC, in collaboration with state and local partners, are investigating a multistate outbreak of Listeria monocytogenes infections.

Outbreak Investigation of E. Coli O157:H7 – Spinach (November 2021)

The FDA, along with CDC and state and local partners, are investigating a multistate outbreak of Listeria monocytogenes infections potentially linked to Hispanic-style fresh and soft cheeses.