A listeria-related recall that started with cheese products has spread to salad kits including those cheeses, various media report.

“Salad products sold at Walmart, Costco and Winco were recalled Thursday amid a nationwide outbreak of listeria that has sickened at least 26 people and left two people dead,” reports Patch.com

“Ready Pac Foods voluntarily recalled a limited number of casesof four salad kits as a result of an expanded recall by Rizo-López Foods, the U.S. Food and Drug Administration said. The kits contain cheese that could be contaminated with Listeria monocytogenes, which can cause serious — and sometimes deadly — infections in young children, frail or elderly people, and people with weak immune systems. Additionally, a listeria infection can cause women to miscarry or lead to stillbirths,” the report says.

Some of the recalled products are sold at Costco, Walmart and Cinco. Products sold at Trader Joe’s also ahve been impacted.

To read more details in the Food and drug Administration recall announcement, simply click here.