U.S. Food and Drug Administration have confirmed, Wednesday, the source of a salmonella outbreak that has sickened almost 500 people in 43 states and Canada is from peanuts.

Federal health officials warning over the weekend that consumers should avoid peanut butter products containing peanut butter or peanut butter paste.

Salmonella can cause serious and possibly fatal infections in young children, weak or elderly people. Healthy people may experience fever, diarrhea, nausea, vomiting and abdominal pain if infected.

The affected products are like cakes and ice cream, to dog biscuits, Food and Drug Administration officials said.

As the list of products lengthens, the FDA continuously updates its Website of tainted peanut products. Visit List of Company recalls as today can be viewed in: