Whole-genome sequencing (WGS) tests show Listeria strains found in Roos cheese are highly related to those isolated from ill patients, according to an update from the Centers for Disease Control and Prevention (CDC). The results add "further confidence that cheese products produced by Roos Foods were a likely source of the outbreak," says the CDC. Normally, a process called pulsed-field gel electrophoresis (PFGE) is used to match outbreak isolates, but WGS provides an even clearer distinction of isolates, according to the CDC. The WGS was performed by the Food and Drug Administration (FDA) and Virginia’s Division of Consolidated Laboratory Services as part of a Listeria WGS initiative that is a collaboration between the CDC, FDA, the U.S. Department of Agriculture, the National Center … [Read more...]
Recall of Roos Cheeses for Listeria Expanded
The recall of Roos Foods cheeses for Listeria monocytogenes contamination has been expanded. There is an outbreak connected with the recall of these products. Hard cheeses are now being recalled as well as the company's sour cream products. The expanded recall is also available in Spanish at the FDA web site. The recall is expanded to include all product sizes and all containers of Santa Rosa de Lima Queso Duro Blando (hard cheese), and Mexicana Queso Cojito Molido. In addition, ALL sizes and containers of these cheese products are being recalled: Amigo, Anita, Mexicana, and Santa Rose de Lima brands of: Cuajada En Terron, Cuajada/Cuajadita Cacer, Cuajada Fresca, Queso Fresco Round, and Queso Duro Viejo (hard cheeses), Requeson, Queso de Huerta and Quesco Fresco. The cheeses were … [Read more...]
Roos Foods Recall Now Includes Sour Cream
Roos Foods, which made and recalled 16 types of soft cheeses linked to a Listeria monocytogenes outbreak, has now recalled sour cream produced at the company's Kenton plant. One death in California and seven illnesses in Maryland have been reported as a result of the contamination of the cheeses. Three of the sickened persons are newborns. You can see pictures of the labels of the recalled cheeses at the FDA web site. The recall now includes Crema Pura Mexicana Cultured Sour Cream, according to the Delaware Division of Public Health. The product was distributed in Maryland, Virginia, and the District of Columbia. No bacteria was found in the product, but environmental tests found the bacteria at the factory. Anyone who has purchased this product should destroy it. And sanitize your … [Read more...]
Roos Cheese Recalled After It’s Linked To Listeria Outbreak
Roos Foods of Kenton, DE has issued a recall for several cheeses that may be contaminated with Listeria monocytogenes. The February 23 recall comes two days after the Centers for Disease Control and Prevention (CDC) announced a Listeria outbreak associated with the cheese that killed one person in California and sickened seven others n Maryland. All lots of the following cheese are being recalled: Cuajada En Terron, Cuajada/Cuajadita Cacera, Cuajada Fresca, Queso Fresca Round and Queso Dura Viejo Hard Cheeses sold under the brand names Amigo, Mexicana, Santa Rosa De Lima, and Queso Fresco sold under the Anita brand name. The recalled products were packaged in flexible plastic bags and rigid plastic clam shell packages in 12 oz. and 16 oz. sizes and sold at retail stores including … [Read more...]
