There’s been a shortage and price increase of eggs available at grocery stores nationwide, and Western Pennsylvania is not immune. Highly pathogenic avian influenza, also known as the bird flu, is the culprit.

Consumers can blame bird flu for the disruptions in the egg market, experts say. Close to 40 million egg-laying hens that are part of the commercial egg supply chain died as a res

Bird flu has killed millions of hens in recent weeks, shrinking the supply of eggs and hiking up prices at grocery stores.