Eight people, including three newborns, were stricken with the illness. One death has been reported in California. All those infected are of Hispanic ethnicity.
The outbreak is linked to a strain identified earlier in the month by the Virginia Department of Agriculture and Consumer Services in cheese sold at a Mega Mart store in Manassas.
Symptoms of Listeria monocytogenes infection include a high fever, headache, stiffness, nausea, abdominal pain and diarrhea. The organism can be fatal to young children, the elderly and those with weakened immune systems. It can cause miscarriages and stillbirths in pregnant women.
Roos Foods manufactures cheeses under the following brand names:
- Santa Rosa de Lima
- La Chapina
- La Purisima
- Crema Nica
Anyone who has consumed suspected foods should contact their health care provider.
The FDA warns that Listeria monocytogenes can grow at refrigerator temperatures, and consumers should regularly clean their refrigerators as well as food preparation surfaces and utensils.