The largest-ever outbreak of the avian flu is sweeping through the country's poultry and egg industries.
The outbreak started sometime last month affecting Midwest turkey farms and has pushed its way into the large-scale egg producers in Iowa.
While the disease is most likely spread by wild birds, no one is entirely sure how it started and how it continues to spread. It does not appear to affect humans, however.
While this isn't good news for the poultry industry, it may still get much worse. Should the disease spread to the Southeast, where much of the country's chicken production is concentrated, the result could be devastating for the industry.
→ Read more: Here's How the Massive New Bird Flu Outbreak Could Affect You from Mother Jones