--- title: Two strains of E. coli identified date: 2004-06-22T09:19:54-07:00 author: Bill Marler canonical_url: "https://marlerclark.com/news_events/two-strains-of-e-coli-identified" section: News --- [All News](/news_events) / [Outbreaks](https://marlerclark.com/news_events/outbreaks) / # Two strains of E. coli identified Yesterday the Union-Democrat reported that according to the Calaveras County Health Health Officer Dr. Dean Kelaita, six Calaveras County children diagnosed in recent weeks with E. coli have two different strains of the virus. DNA testing by the state Department of Health Services shows that the first three children diagnosed in early May have the same strain. But the other three — all teenagers later found to have E. coli — have a different strain. From the [article](http://www.ecoliblog.com/Two%20strains%20of%20E.%20coli%20identified.pdf): > A 13-year-old Angels Camp boy who exhibited cattle at the May 13-16 Calaveras County Fair was diagnosed June 11. Two brothers from Murphys, ages 14 and 17 who tested positive for E. coli were also exhibitors. > The DNA testing on the E. coli strain these three teenagers had closely matches the strain found in E. coli cases in Michigan, Missouri and Ohio, Kelaita said. > The first Calaveras County children diagnosed with the bacteria were Nicholas Kristoff and his 8-month-old sister Abigail. Nicholas, 4, of Angels Camp, developed an E. coli-related kidney complication called Hemolytic Uremic Syndrome and was sent to Oakland Children’s Hospital early last month. Nicholas was in critical condition for nearly three weeks, but has since recovered and is back home. > Soon after, another 3-year-old girl who received care from the Kristoff children’s mother, Staci Kristoff, tested positive. > All those children had the same kind of E. coli infection. ### Other E. coli Lawsuits [Raw Farms linked to another Raw Milk Cheese E.coli Outbreak - 9 People sickened - Company refuses to recall product](https://marlerclark.com/raw-farms-linked-to-another-raw-milk-cheese-e-coli-outbreak-7-people-sickened) [10 with E. coli linked to Cheese](https://marlerclark.com/3-with-e-coli-linked-to-cheese) [Sycamore Pool in Chico California Contaminated with E.coli - Two teens in ICU](https://marlerclark.com/sycamore-pool-in-chico-california-contaminated-with-e-coli-two-teens-in-icu) [Deadly Nationwide E.coli Outbreak Linked to Grimmway Farms Organic Baby and Whole Carrots sickens 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The team at Marler Clark is here to answer all your questions. Find out if you’re eligible for a lawsuit, what questions to ask your doctor, and more. [ Get a free consultation ](https://marlerclark.com/contact) ##### Related Resources ###### [E. coli Food Poisoning](https://marlerclark.com/foodborne-illnesses/e-coli/e-coli-food-poisoning) What is E. coli and how does it cause food poisoning? Escherichia coli (E. coli) is a highly studied, common species of bacteria that belongs to the family Enterobacteriaceae, so... ###### [E. coli O157:H7](https://marlerclark.com/foodborne-illnesses/e-coli/e-coli-o157h7) E. coli O157:H7 is a foodborne pathogen that causes food poisoning. E. coli O157:H7 is the most commonly identified and the most notorious Shiga toxin-producing E. coli (STEC) serotype in... ###### [Non-O157 STEC](https://marlerclark.com/foodborne-illnesses/e-coli/non-o157-stec) Non-O157 Shiga Toxin-Producing E. coli can also cause food poisoning. E. coli O157:H7 may be the most notorious serotype of Shiga toxin-producing E. coli (STEC), but there are at least... ###### [Sources of E. coli](https://marlerclark.com/foodborne-illnesses/e-coli/sources-of-e-coli) Where do E. coli O157:H7 and non-O157 Shiga toxin-producing E. coli (STEC) come from? The primary reservoirs, or ultimate sources, of E. coli O157:H7 and non-O157 STEC in nature are... ###### [Transmission of and Infection with E. coli](https://marlerclark.com/foodborne-illnesses/e-coli/transmission-of-and-infection-with-e-coli) While many dairy cattle-associated foodborne disease outbreaks are linked to raw milk and other raw dairy products (e.g., cheeses, butter, ice cream), dairy cattle still represent a source of contamination... ##### Outbreak Database #### Looking for a comprehensive list of outbreaks? The team at Marler Clark is here to answer all your questions. Find out if you’re eligible for a lawsuit, what questions to ask your doctor, and more. 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