Federal and state health officials report nine additional people have been reported in the multistate outbreak of E. coli O157:H7 infections linked to romaine lettuce since the last update.

romaine-smallThis brings the total to 52 cases from 15 states.

Nineteen people have been hospitalized, including two people who developed a type of kidney failure called hemolytic uremic syndrome. No deaths have been reported.

No common grower, supplier, distributor, or brand of romaine lettuce has been identified.

CDC continues to advise consumers not eat and retailers and restaurants not to serve or sell any romaine lettuce from the Central Coastal growing regions of northern and central California.

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Romaine lettuce labeled with a harvest region outside of the Central Coastal growing regions of northern and central California is not linked to the outbreak. Areas not linked to this outbreak include the desert growing region near Yuma, Arizona; the California desert growing region near Imperial County and Riverside County; the state of Florida; and Mexico.

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People with symptoms of an E. coli infection, such as severe stomach cramps, diarrhea (often bloody), and vomiting, who think they might have gotten sick from eating romaine lettuce, should talk to their doctor and report their illness to the health department.

Antibiotics are not recommended for patients with E. coli O157 infections. Antibiotics are also not recommended for patients with a suspected E.coli O157 infection, until diagnostic testing rules out this infection.