A recent breakout of bird flu is to blame for a shortage of eggs and a sharp uptick in egg prices in the U.S. A dozen Grade A large eggs ... aisles of retailers like Costco and Trader Joe ...

As industry-wide supply shortages restrict retailers’ stock, customers are waiting in very lengthy lines to pick up cartons of eggs at bulk retailer Costco ... of one dozen Grade A large ...

Costco and Trader ... monitoring egg prices and will adjust or remove the surcharge as market conditions allow.” The average price of a dozen large grade-A eggs, which Waffle House uses, was ...