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.

More snow geese suspected to be infected with highly contagious bird flu have been found dead in the Lehigh Valley, where Pennsylvania wildlife officials announced the likely presence of the virus among the migratory waterfowl at the beginning of January.

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