As egg prices soar to new highs, the two industries are on opposite sides of the debate over whether to give shots to birds.

Highly pathogenic avian influenza can be transmitted among farms by wind, according to a recent study that found air-intake systems spread H5N1 in the Czech Republic.

Bird flu continues to spread to farm animals, raising concerns about whether it's safe to drink milk or eat beef, eggs, and other products. Here's what experts want you to know about food safety amid the outbreak.