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.

As egg prices soar due to the ongoing bird flu outbreak, Trader Joe's is limiting customers to a dozen eggs per purchase per day. Signs have been erected at Trader Joe's stores across the country, informing customers that they will be limited to a single carton of a dozen eggs per day to "ensure a consistent supply for all customers."

And anytime a chicken or turkey gets sick, the entire flock is slaughtered to help limit the spread.The shortages do tend to be isolated, so they might not be a problem at your store. But there's no way to predict when a massive farm with millions of birds might get hit,