![]() ![]() ![]() These findings do not affect treatment guidance since antibiotics are not recommended for patients with E. Standard antibiotic resistance testing of clinical isolates by CDC’s National Antimicrobial Resistance Monitoring System (NARMS) laboratory is currently underway. WGS analysis of five bacterial isolates from a lettuce sample did not predict antimicrobial resistance. One isolate contained a resistance gene for ampicillin, and a second isolate contained resistance genes for ampicillin, chloramphenicol, streptomycin, sulfisoxazole, and tetracycline. WGS analysis of bacterial isolates from 159 ill people did not predict antibiotic resistance in 157 of the isolates, but predicted resistance in 2 isolates. Of 165 ill people with information available, 85 (52%) hospitalizations were reported, including 15 people who developed hemolytic uremic syndrome (HUS), a type of kidney failure. Sixty-four percent of ill people were female. Ill people ranged in age from less than 1 to 89 years, with a median age of 27. Illnesses started on dates ranging from September 20, 2019, to December 21, 2019. A list of the states and the number of cases in each can be found on the Map of Reported Cases page. The Public Health Agency of Canada external icon also reported several illnesses that were closely related genetically to illnesses in the United States. coli O157:H7 were reported from 27 states. coli O157:H7 that caused outbreaks linked to leafy greens in 2017 and to romaine lettuce in 2018.Ī total of 167 people infected with the outbreak strain of E. ![]() WGS also showed that this outbreak was caused by the same strain of E. This means that people in this outbreak were more likely to share a common source of infection. In this investigation, WGS showed that bacteria isolated from ill people were closely related genetically. WGS gives investigators detailed information about the bacteria causing illness. CDC PulseNet manages a national database of these sequences that are used to identify possible outbreaks. coli bacteria isolated from ill people by using a standardized laboratory and data analysis method called whole genome sequencing (WGS). PulseNet is the national subtyping network of public health and food regulatory agency laboratories coordinated by CDC. Public health investigators used the PulseNet system to identify illnesses that may be part of this outbreak. ![]() Food and Drug Administration external icon (FDA) investigated a multistate outbreak of Shiga toxin-producing E. Wash your hands thoroughly after changing diapers, using the toilet, and before and after preparing food to lower the chance of infecting others.ĬDC, public health and regulatory officials in several states, and the U.S.Assist public health investigators by answering questions about your illness.Report your illness to your local health department.Write down what you ate in the week before you started to get sick.Take action if you have symptoms of an E. These items can drip juices that may have germs. Store fruits and vegetables away from, and not next to or below, raw meat, poultry, or seafood.Use separate plates and utensils for cooked and raw foods.Use separate cutting boards for fruits and vegetables and for raw meats, poultry, seafood, or eggs.Fruits and vegetables labeled “prewashed” do not need to be washed again at home.Wash or scrub all fruits and vegetables under running water before eating, cutting, or cooking.Wash your hands before and after preparing fruits and vegetables.CDC is no longer advising that people avoid romaine lettuce from the Salinas Valley growing region in California.įollow these steps to help keep you healthy and make your fruits and vegetables safer to eat: Contaminated romaine lettuce that made people sick in this outbreak from the Salinas Valley growing region in California is no longer available for sale. ![]()
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