Human bird flu cases are increasing across the country. The H5N1 virus primarily infects poultry and mammals but can be ...

Eggs have disappeared from some grocery stores' shelves, making it hard for shoppers to find and purchase eggs; and the bird flu is largely why.

Outbreaks of the highly pathogenic H5N1 flu have spread in cattle ... not been documented. View the map below to see what states have recorded human cases of the bird flu.