Several major retailers are imposing restrictions to help ensure customers can still by eggs as the deadly bird flu runs rampant.

Some grocers are taking steps to stretch their existing egg supplies, the USDA found. It comes as the bird flu has caused egg prices to soar.

Scrambling to meet customers’ needs, Trader Joe’s is limiting purchases to one dozen eggs per customer across the country. “Due to ongoing issues with the supply of eggs, we are currently limiting egg purchases to one dozen per customer,