In April, the CDC warned Americans to toss out any romaine lettuce they might have bought in stores. "The most recent illnesses reported to CDC started when romaine lettuce from the Yuma growing region was probably still available in stores, restaurants, and in peoples' homes".
The 172 reported illnesses, which resulted in one death and 75 hosptializations, have been traced to lettuce harvested in April in the winter lettuce region around Yuma, Ariz., according to the CDC. The new case makes three.
Genetic testing shows that the E. coli strain involved in the outbreak produces a specific type of "Shiga toxin" that causes more severe illness, according to Matthew Wise, the CDC deputy branch chief for outbreak response. Many of these pathogenic E. coli cause diarrhea and are referred to as diarrheagenic E. coli.
Romaine lettuce of all varieties from the Yuma, Arizona, region has been blamed as the source of this outbreak.
Since product labels often come without the identification of the growing region, we suggest you pass on romaine lettuce if you are uncertain about where it was grown. If you do not know if the lettuce is romaine, do not eat it.
Pasta Armellino's baby romaine salad with avocado and shaved pecorino.
"Talk to your doctor if you have symptoms of an E. coli infection and report your illness to your local health department", the agency said.
It's unlikely that anyone now has edible romaine lettuce that's contaminated with the toxic strain of E. coli bacteria sickening people nationwide since March.