Bird flu is causing egg prices to soar, costing restaurants more, especially those that focus on brunch. Some restaurant owners say they are already raising prices.

With more than 133 million poultry birds affected by avian influenza across the U.S., some states are experiencing egg shortages.

But one way that food safety experts say they shouldn’t be consumed is raw. In recent years, another nasty bug has been afflicting poultry and, in turn, egg production. A type of highly pathogenic avian influenza known as H5N1 has been circulating in wild birds and poultry,