There are now 10 people sick in the Twin Sisters raw milk cheese E. coli outbreak, according to the Washington State Department of Health (DOH). Nine of the patients live in Washington state, and one lives in Oregon. One person has been hospitalized. The cheeses have been recalled. All cases have illness onset dates before the cheese was recalled on October 24, 2025. There are two serotypes of Shiga toxin-producing E. coli (STEC) bacteria in this outbreak: E. coli O103 and E. coli O26. Two Washington residents and one Oregon resident are infected with E. coli O103. Whole genome sequencing of these isolates is extremely similar to the E. coli O103 found in the Twin Sisters Creamery Farmhouse and Whatcom Blue cheeses. Six Washington residents are infected with E. coli O26. … [Read more...]
Peterson Company Recalls Twin Sisters Creamery Cheeses
The Peterson Company is recalling Twin Sisters Creamery cheeses for possible E. coli O103 contamination. There is an outbreak linked to these products; two people in Washington state and one person in Oregon are sick. These cheeses were distributed to retailers and food businesses, including caterers, distributors, and restaurants, in the states of Colorado, Idaho, Oregon, and Washington between August 14, 2025 and October 24, 2025. These Whatcom Blue and Farmhouse cheeses are roughly 5 to 6 ounce half moon shaped pieces packaged in clear plastic wrap. These codes are printed on the label or on a small tan to orange sticker on each piece: Item# 28855 Whatcom Blue – MFG Code 793511 Item# 28855 Whatcom Blue – MFG Code 781511 Item# 28855 Whatcom Blue – MFG Code 775511 Item# … [Read more...]
FDA Adds More Info to Recalled Twin Sisters Cheeses
The FDA has added more information to the recall of Twin Sisters cheeses for possible E. coli O103 contamination. There is an E. coli O103 outbreak linked to these cheeses. One person in Oregon and two people in Washington state are sick. These cheeses are made from raw or unpasteurized milk and are aged for 60 days. The recalled cheeses remain the same: Batch Code 250527B Whatcom Blue Batch Code 250610B Whatcom Blue Batch Code 250618B Whatcom Blue Batch Code 250624B Whatcom Blue Batch Code 250603F Farmhouse Batch Code 250616B Farmhouse Batch Code 250603P Peppercorn Batch Code 250616M Mustard Seed But the additional information is that they are 2.5 pound round cheese wheels. They were shipped between July 27, 2025 and October 22 2025 to distributors in … [Read more...]
Twin Sisters Creamery Raw Milk Cheese O103 Outbreak in WA
Twin Sisters Creamery raw milk cheese has sickened at least three people; one in Washington and one in Oregon, with E. coli O103. One of the patients is a child under the age of five, and two are adults. Illness onset dates range from September 5 to September 16, 2025. The dairy is located in Ferndale, Washington, in Whatcom County. The firm is cooperating with this investigation. The Washington State Department of Health is working with the Oregon Health Authority and federal partners to investigate this Shiga Toxin-Producing E. coli (STEC) outbreak. Molecular fingerprinting of the bacteria from the three cases is "extremely similar," suggesting that a common source is the cause of these illnesses. The patient from Oregon said he consumed the Twin Sisters Creamery raw milk … [Read more...]
