Listeria monocytogenes (L. monocytogenes) is a type of disease-causing bacteria that may be found in soil, water, sewage, rotting vegetation, and animals, according to FDA, and can thrive in unsanitary food production conditions. It’s usually transmitted in manufacturing when food is harvested, processed, prepared, packed, transported, or stored.

Enoki mushrooms that were distributed across the United States have been recalled over possible listeria contamination. Here's what to know.