The Centers for Disease Control and Prevention has added 16 more people to an E. coli outbreak investigation of unknown origin.
There are now 39 cases in the E. coli O157:H7 outbreak, according to a CDC notice on Nov. 23. The previous number of ill people as 16, according to the CDC. Cases have been reported in 18 states; there have been no deaths.
The CDC and Food and Drug Administration are not advising people to avoid any particular food at this time.
“State and local public health officials are interviewing ill people to determine what they ate and other exposures in the week before they got sick,” according to the CDC’s Nov. 23 update. “Of the 22 ill people interviewed to date, all reported eating a variety of leafy greens, like spinach (16), romaine lettuce (15), iceberg lettuce (12), and mixed bag lettuce (8). No single type or brand of leafy greens or other food item has been identified as the source of this outbreak. CDC is not advising people avoid any particular food at this time.
