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FDA Fast Facts: FDA, CDC and partners investigate new E. coli O157:H7 outbreak, urge consumers to avoid romaine lettuce

The U.S. Food and Drug Administration, the Centers for Disease Control and Prevention (CDC), along with state and local partners, are investigating a multistate outbreak of E. coli O157:H7 likely linked to romaine lettuce. At this time, the FDA recommends that consumers do not eat romaine lettuce and discard any product until we know more. Retailers, restaurants and other food service operators should not serve romaine lettuce until more is known about this outbreak. If consumers are experiencing symptoms of an E. coli O157:H7 infection, they should immediately seek the care of a health care professional.

Federal health officials are working on gathering information and tracing back romaine lettuce reportedly consumed by people located in various parts of the country who became ill with E. coliO157:H7 to determine the source of contamination. U.S. agencies are also coordinating with the Public Health Agency of Canada (PHAC), which is also investigating a similar outbreak in Canada and providing similar advice to Canadian consumers. While the strain of E. coli O157:H7 seen in this outbreak is different than the one identified in the large outbreak in Spring 2018 linked to romaine from the Yuma growing region, it does appear to be similar to the strain that caused a smaller outbreak linked to leafy greens that occurred in the fall of 2017 in both the U.S. and Canada. Since these prior outbreaks were identified, the FDA has been working closely with the leafy greens industry and other state and federal partners to implement safety practices that can help further reduce the risk of these types of outbreaks. As a direct response to the outbreaks we have seen, the agency will also begin a special effort to sample and test romaine lettuce for contamination throughout the market.

“The quick and aggressive steps we’re taking today are aimed at making sure we get ahead of this emerging outbreak, to reduce risk to consumers, and to help people protect themselves and their families from this foodborne illness outbreak. This is especially important ahead of the Thanksgiving holiday, when people will be sitting down for family meals. We want to get this information out to consumers early. While we’ve made progress, it’s still early in this investigation and work remains to pinpoint the source of contamination that contributed to this outbreak and allow us to employ more targeted measures to reduce future risk,” said FDA Commissioner Scott Gottlieb, M.D. “While we don’t have enough traceback information to request a recall from specific suppliers, we’re working to prevent unnecessary foodborne illness. Consumers can avoid eating and discard any romaine lettuce. Industry can also contribute greatly to containing and stopping this outbreak by voluntarily withdrawing any romaine products from the market and by withholding the distribution of romaine until we can ensure the outbreak is over or we can identify a specific source of contamination. This isn’t the first romaine outbreak we have seen in the recent past, and we will continue to take steps to identify the root causes of these events and take action to prevent future outbreaks. We’re committed to working with our partners to implement additional safety practices so that we’ll be better positioned to prevent outbreaks like this from occurring. In the meantime, we’ll continue to take action around this outbreak to help protect American consumers from eating potentially contaminated romaine lettuce as our current investigation unfolds.”

The following is an update on the outbreak investigation.

 Snapshots

 By the Numbers (as of 11/20)

Outbreak Investigation Summary

Outbreak Investigation

– The FDA is conducting a trace back investigation to determine if the romaine lettuce eaten by people who became sick was sourced from the same place.
– Genetic analysis indicates that illnesses reported in this current outbreak are caused by the same strain of E. coli O157:H7 seen in a previous outbreak that occurred in fall of 2017 that affected consumers in both Canada and the U.S.
– Although this strain of E. coli O157:H7 has been associated with leafy greens in the U.S. and romaine in Canada, previously, it does not indicate that the source of the outbreak is the same.
– The current outbreak is not related to the E. coli O157:H7 outbreak linked to romaine from the Yuma growing region from the spring of 2018.

Advice for Consumers
– Consumers throughout the U.S. should not eat romaine lettuce until further notice.
– People with symptoms of an E. coli O157:H7 infection, including often include severe stomach cramps, diarrhea (often bloody), and vomiting, should consult their health care professional.
– People with questions about food safety can call the FDA at 1-888-SAFEFOOD or consult the FDA’s website.

– The CDC reports that 32 people in 11 states have become ill. The last reported illness onset was on Oct. 31.
– 13 people have been hospitalized.
– No deaths have been reported.
– One case of kidney failure has been reported.
– Illnesses are spread across the following states: CA (10), CT (1), IL (2), MA (2), MD (1), MI (7), NH (2), NJ (3), NY (2), OH (1), WI (1).
– For this outbreak investigation, the time between diagnosis of the outbreak related infection and reporting of illness to CDC has been 20 days.
– Romaine has an average shelf life of approximately 21 days.

The FDA is continuing to investigate this outbreak and will share more information as it becomes available. For more information on this investigation:

The FDA, an agency within the U.S. Department of Health and Human Services, protects the public health by assuring the safety, effectiveness, and security of human and veterinary drugs, vaccines, and other biological products for human use, and medical devices. The agency also is responsible for the safety and security of our nation’s food supply, cosmetics, dietary supplements, products that give off electronic radiation, and for regulating tobacco products.


Consumer Inquiries: 888-INFO-FDA

SOURCE U.S. Food and Drug Administration

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