Washington ? Kellogg Co. on Friday recalled 16 products containing peanut butter due to possible salmonella contamination, adding new urgency to the nationwide outbreak as federal officials confirmed contamination at a Georgia facility that ships peanut products to 85 food companies.

The Battle Creek, Mich., company earlier this week had asked stores to pull some of its venerable Keebler crackers from shelves as a precaution. But in a statement late Friday, Kellogg said it was voluntarily announcing a formal recall of the crackers and other products in light of the problems in Georgia.

The outbreak has sickened hundreds of people in 43 states and killed at least six.

The recall includes Austin and Keebler branded Peanut Butter Sandwich Crackers, as well as some snack-size packs of Famous Amos Peanut Butter Cookies and Keebler Soft Batch Homestyle Peanut Butter Cookies. For a complete list of the recalled products, visit www2.kelloggs.com.