Listeria Outbreak Ohio 2024 News. Infections can be hard to pinpoint because symptoms may occur quickly — or up to 10 weeks. A listeria outbreak has been linked to boar’s head deli meats, leading to a recall of seven million pounds of the company’s products.

A listeria outbreak linked to boar’s head deli meat products has become america’s largest since 2011, according to the centers for disease control and prevention (cdc). A listeria outbreak has been linked to boar’s head deli meats, leading to a recall of seven million pounds of the company’s products.