There is currently an avian influenza epidemic (bird flu) which is killing birds. Regarding the increased egg prices, 29 million egg-laying hens have died from a total of 300 million in the US. This means that close to 10% of them have perished (Reference).
The average 12-egg package price in April 2022 was US$ 2.52. This represented an increase of 23% with respect to the previous year (Reference)