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This is an official
CDC HEALTH ALERT

Distributed via Health Alert Network
Thursday, September 14, 2006, 23:00 EDT (11:00 PM EDT)
CDCHAN-00249-2006-09-14-ALT-N

Multiple States Investigating a Large Outbreak of E. coli O157:H7 Infections

Public health officials in multiple states, with the assistance of the Centers for Disease Control and Prevention, are investigating a large outbreak of E. coli O157:H7 infections. Thus far, 50 cases with isolates demonstrating pulsed-field gel electrophoresis (PFGE) CDC PulseNet pattern number EXHX01.0124, as determined by Xba restriction enzyme DNA digestion, have been reported from CT (1), ID (3), IN (4), MI (3), OR (5), NM (2), UT (11), WI (20). Eight patients developed the hemolytic uremic syndrome (HUS) and one patient died. Most cases are recent: for those with known illness onset, the range of onset is 08/25/2006 to 09/03/2006. The outbreak is likely ongoing.

Preliminary findings from case interviews indicate that pre-packaged spinach is the most likely source. Additional investigation is necessary to determine the brand or brands of pre-packaged spinach involved. State and CDC investigators are working with FDA to quickly gather information to take action to protect the public. The FDA advises that consumers not eat bagged fresh spinach at this time.

The E. coli O157:H7 bacterium causes diarrhea that is often bloody and accompanied by abdominal cramps, but fever is absent or mild. The illness typically resolves within a week. However, some people, especially young children and the elderly, develop the hemolytic uremic syndrome, or HUS.

For more information concerning E. coli O157 infection, please see the CDC internet website: http://www.cdc.gov/ncidod/diseases/submenus/sub_ecoli.htm.

E. coli O157:H7 cases should be reported rapidly to the appropriate local and state public health officials, and isolates should be forwarded to state public health laboratories for rapid PFGE analysis. We request state officials report cases demonstrating the outbreak PFGE pattern to the Enteric Diseases Epidemiology Branch (Thai-An Nguyen (ten9@cdc.gov, 404-639-0776) ASAP.

The Centers for Disease Control and Prevention (CDC) protects people's health and safety by preventing and controlling diseases and injuries; enhances health decisions by providing credible information on critical health issues; and promotes healthy living through strong partnerships with local, national and international organizations.

DEPARTMENT OF HEALTH AND HUMAN SERVICES


HAN Message Types
  • Health Alert: Conveys the highest level of importance; warrants immediate action or attention. Example: HAN00001
  • Health Advisory: Provides important information for a specific incident or situation; may not require immediate action. Example: HAN00316
  • Health Update: Provides updated information regarding an incident or situation; unlikely to require immediate action. Example: HAN00309
  • Info Service: Provides general information that is not necessarily considered to be of an emergent nature. Example: HAN00319

 

## This Message was distributed to State and Local Health Officers, Public Information Officers, Epidemiologists and HAN Coordinators as well as Clinician organizations ##

You have received this message based upon the information contained within our emergency notification database. If you have a different or additional e-mail or fax address that you would like us to use, please contact your State-based Health Alert Network program at your State or local health department.


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