Washing your romaine lettuce won't eliminate E. coli - here's how to minimize your risk during the current outbreak
- Romaine lettuce that was grown near Yuma, Arizona, has been linked to an outbreak of a dangerous strain of E. coli.
- The CDC wants people to avoid all forms of romaine unless they are certain it didn't come from Arizona.
- Washing the greens is not enough to remove E. coli bacteria, according to a recent study.
If you've got romaine lettuce in your refrigerator, throw it out - and then give the fridge a good scrub, ideally with bleach.
Why washing won't workAlthough washing produce can reduce some contamination, it doesn't kill bacteria, so unfortunately won't eliminate the risk. Once E. coli bacteria make their way onto lettuce, they are able to fill tiny cracks and crevices all over a leaf. And even a small number of E. coli bacteria are enough to get people sick.
Leafy greens like romaine and spinach are the most common sources of foodborne illness infections, according to an analysis by the CDC. There are many opportunities for bacteria to spread to these products and they're usually eaten raw, which means bacteria aren't killed by cooking.
E. coli cases documented in 16 US statesThis particular E. coli outbreak is linked to a potentially deadly strain of the bacteria, called E. coli O157:H7. The strain, which usually originates in the guts of farm animals or deer, could have contaminated soil where the lettuce was grown. It's also possible that a food-handler didn't properly clean their hands or a contaminated surface that touched the romaine.So far, the CDC has documented at least 53 cases of infection in 16 states, with 31 people hospitalized. At least five individuals developed a type of kidney failure called hemolytic uremic syndrome. However, those numbers do not yet include a group of people who got sick after eating contaminated lettuce at a correctional facility in Alaska.
Until the CDC issues an all-clear, it's best to avoid romaine.
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