Outbreak: E. coli O157:H7 Hazelnuts
Product: Hazelnuts	Investigation Start Date: 02/07/2011
Location: Multi-State	Etiology: E. coli (STEC) O157:H7
Earliest known case onset date: 12/20/2010	Latest case onset date: 01/28/2011
Confirmed / Presumptive Case Count: 8 / 0	Positive Samples (Food): 22

Eight outbreak cases of lab-confirmed E. coli O157:H7 were identified in Michigan, Minnesota, and Wisconsin. Initial, hypothesis generating interviews identified in-shell mixed nuts as a common exposure, specifically in-shell hazelnuts. A traceback investigation confirmed that the in-shell hazelnuts consumed by cases came from a common distributor which resulted in a … Continue Reading ››

Outbreak: Raw Flour E. Coli
Product: Raw Flour	Investigation Start Date: 6/1/2016
Location: Multistate	Etiology: E. coli O121
Earliest known case onset date: 12/21/2015	Latest case onset date: 9/5/2016
Confirmed Case Count: 63	Positive Environmental Samples: 39
Hospitalizations: 17	Deaths: 0

CDC worked with public health and regulatory officials in many states and the U.S. Food and Drug Administration (FDA) to investigate a multistate outbreak of Shiga toxin-producing Escherichia coli (STEC) infections.
Public health investigators used the PulseNet system to identify illnesses that may be part of this outbreak. PulseNet, coordinated by CDC, … Continue Reading ››