- On August 4, 2014, Oasis Brands, Inc. voluntarily recalled quesito casero (fresh curd) due to possible Listeria monocytogenes contamination after the pathogen was isolated from quesito casero produced by this firm.
- On October 6, 2014, Oasis Brands, Inc. recalled cuajada en hoja (fresh curd) after U.S. Food and Drug Administration (FDA) isolated Listeria monocytogenes from environmental samples collected from the production facility.
- On October 16, 2014, Oasis Brands, Inc. recalled various Lacteos Santa Martha and one HonduCrema brand cheese and dairy products.
- At this time, Oasis Brands, Inc. has ceased manufacturing of all products, including the recalled products.
Whole-genome sequences of the Listeria monocytogenes strains isolated from recalled quesito casero cheese produced by Oasis Brands, Inc. were found to be highly related to sequences of Listeria strains isolated from one person who became ill in September 2013 and four persons who became ill during June through October 2014.
- These five ill persons were reported from four states: Georgia (1), New York (1), Tennessee (2), and Texas (1).
- Four of the five ill persons were hospitalized. One death was reported in Tennessee. Three illnesses were related to a pregnancy – one of these was diagnosed in a newborn.
- All ill persons were reported to be of Hispanic ethnicity and reported consuming Hispanic-style soft cheese. Two persons who were able to answer questions about specific varieties of Hispanic-style soft cheeses reported consuming quesito casero, though neither could remember the brand.