The eggs should not be eaten and should be thrown away or returned to Costco for a full refund. Consumers with any questions can call 888-877-7221 Sunday-Saturday, 8 a.m. to 5 p.m. ET.

In 2007, Costco announced that it would switch to 100% cage-free eggs. They even released a statement on their website about their stance on eggs.

However, concerns have been raised over the safety of egg production following a Food and Drug Administration (FDA) recall of Costco's Kirkland brand eggs linked to a salmonella outbreak affecting 25 ...

The 24-count recalled eggs were distributed in 25 Costco stores in five states beginning on Nov. 22, the alert said. “The recall was initiated after the company determined that eggs not intended ...