Researchers with Children's Healthcare of Atlanta found a new skin patch with tiny amounts of peanut protein helped kids under age 4 better tolerate peanut exposure. 

Many other companies use the peanut butter — the cause of a salmonella outbreak — and now they have recalls of their own. The FDA says the products made it to at least 10 other countries.

The specific jars impacted include Skippy Reduced Fat Creamy Peanut Butter Spread, Skippy Reduced Fat Chunky Peanut Butter Spread and Skippy Creamy Peanut Butter Blended With Plant Protein.