Check your freezer for dated packages of frozen fruits and veggies. In a CRF Frozen Foods press release the company expanded a voluntary recall to include more than 350 products because of potential listeria contamination. Check the "best by" dates and the UPC codes on your packages. Here's the full product list from the U.S. Food and Drug Administration.
A listeria infection usually doesn’t cause illness in healthy people. However, it can be fatal to unborn babies and newborns. Symptoms may begin a few days after you've eaten contaminated food, but it may take as long as two months before the first signs and symptoms of infection begin.
If you develop a listeria infection, you may experience:
Treatment of listeria infection varies, depending on the severity of the signs and symptoms. Most people with mild symptoms require no treatment. More serious infections can be treated with antibiotics.