Other states that have reported illnesses as part of this outbreak include IL (6 cases), IN (11 cases), Missouri (10 cases) and OH (1 case).
Thirty-one people have been hospitalized in this outbreak, the CDC said, and no deaths have been reported.
On Thursday, Walmart and Kroger removed pre-cut melon linked to this outbreak from all the stores in the affected states, the CDC reported.
Caito Foods has ceased producing and distributing these products as the company and FDA continue their investigation. The melon products were sold in clear, plastic clamshell containers at Costco, Jay C, Kroger, Payless, Owen's, Sprouts, Trader Joe's, Walgreens, Walmart, and Whole Foods/Amazon.
Consumers who purchased pre-cut melon from these stores should not eat the products and should throw them away or return them to the place of purchase for a refund.
People who ate those pre-cut melon products began falling ill with the salmonella adelaide strain of the bacteria in late April, and hospitalization spiked two weeks later, with patients ranging from an infant to a 97-year-old.
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Walmart stores in IL have removed pre-cut melons from their shelves, according to IDPH.
Most people recover from a salmonella infection without treatment.
It's not just Walmart pre-cut melon.
Other states included in this outbreak include Illinois, Indiana, Missouri and Ohio.
Last year, the CDC reported the largest number of salmonella illnesses linked to backyard flocks after the lifestyle trend emerged across the country. Although the shelf life of the melon is limited, Kroger said, it issued the alert out of an abundance of caution. If you have eaten pre-cut melon and have diarrhea, fever, and cramps, contact your health care provider.