(CNN) -- More romaine lettuce has been recalled amid an investigation into an outbreak of food-borne illness that has sickened at least 19 people in three states.
Vaughan Foods of Moore, Oklahoma, is recalling romaine lettuce with "use by" dates of May 9 and May 10, the Food and Drug Administration said in a statement. The company sold the lettuce to restaurants and food-service facilities, the administration said.
Vaughan's recall comes after Freshway Foods recalled romaine lettuce last week because of a possible connection to an outbreak of food-borne disease linked to E. coli 0145 in Michigan, Ohio and New York.
Authorities are investigating a farm near Yuma, Arizona, where the tainted lettuce was harvested, the Food and Drug Administration said. Vaughan Foods received lettuce from that farm, the administration said.
Investigators have confirmed that the outbreak has sickened 19 people: 10 in Michigan, seven in Ohio and two in New York. Twelve of the 19 have been hospitalized, including three who developed a potentially life-threatening complication called hemolytic uremic syndrome, or HUS, the administration said.
In addition, health investigators cite the outbreak as the "probable" reason that 10 other people have fallen ill: five in New York, three in Michigan and two in Ohio, according to the Centers for Disease Control and Prevention.
E. coli O145 can cause abdominal cramps and diarrhea, which may be bloody. Though most healthy adults recover within a week, young children and the elderly are most at risk of developing HUS.
Federal health authorities are encouraging anyone with such symptoms to contact a health care provider immediately.
Ohio-based Freshway Foods said that the recalled shredded romaine lettuce was sold to wholesalers, food service outlets, and some in-store salad bars and delis.
The company said it sold the lettuce in question to businesses in Alabama, Connecticut, the District of Columbia, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Missouri, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Virginia, West Virginia and Wisconsin.
Consumers are urged not to eat "grab and go" salads sold from in-store salad bars and delis at Kroger, Giant Eagle, Ingles Markets, and Marsh stores.
The recall does not affect romaine lettuce and other types of lettuce and leafy greens from other producers.
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