Federal food regulators raised their alarm for recalled eggs sold from Costco stores over possible salmonella exposure, reclassifying the targeted product to its highest risk level.

The FDA has classified its recall of eggs sold under Costco's Kirkland brand as a Class I recall, a designation reserved for instances of the highest potential health risk — including death.

A recall on eggs from a New York-based farm sold at Costco stores been raised to the highest risk level due to the risk of severe illness or even death stemming from possible salmonella exposure, federal food regulators said.