Multistate E. coli outbreak under investigation

Gunnison County Health and Human Services, in coordination with the Colorado Department of Public Health and Environment and the Centers for Disease Control and Prevention (CDC), are investigating an outbreak of E. coli. The cases are associated with the McDonald’s quarter pounder hamburger.

On Oct. 22, the CDC released information on its investigation into a multistate outbreak of Shiga toxin-producing E. coli (STEC). As of that date, 49 associated cases had been identified across 10 states, with 26 cases in Colorado. An older person with underlying health conditions in Colorado died. While a few cases have been identified in Gunnison County, none have been hospitalized or have died as a result of the infection. Additional cases and updates are anticipated as the investigation continues.

The early investigation suggests the possible outbreak source to be contaminated fresh-slivered onions used on the McDonald’s quarter pounder hamburger. These onions are primarily used on the quarter pounder and not on other menu items. Based on this information, McDonald’s in some states, including Colorado, have stopped producing the item.

E. coli is a bacteria commonly found in the intestines of humans and animals. While most strains are harmless, certain types, including those that are capable of producing Shiga toxins, can cause severe illness. Most people with a STEC infection start feeling sick three to four days after eating or drinking something that contains the bacteria. However, illnesses can start anywhere from one to 10 days after exposure.

Symptoms of Shiga toxin-producing E. coli infection can include severe stomach cramps, diarrhea (often bloody), vomiting and fever.

What to do:

• Monitor for symptoms. If you experience symptoms of E. coli infection, contact a health care provider.

• Practice good hand hygiene. Wash hands thoroughly with soap and water after using the bathroom, changing diapers or before preparing food.

• Do not prepare food for others while experiencing diarrhea.

(Source: Gunnison County Health and Human Services.)