Waffle House announced it will be adding a 50-cent surcharge to all egg items sold at its more than 2,000 locations because of soaring egg prices caused by the bird flu. The surcharge went into effect Monday.

In a letter from Waffle House's headquarters in Norcross on Monday, the diner chain has implemented a 50-cent surcharge per egg to all menus. The company said, rather than increasing prices across the menu, this is a temporary targeted charge tied to the unprecedented rise in egg prices caused by bird flu.

Waffle House locations have signs announcing a new, temporary 50-cent egg surcharge. The company cited high prices and bird flu. Here's what we know.