The humble egg, one of nature’s perfect foods, a self-packaged, relatively inexpensive source of protein that can serve as a lowly hangover remedy or help a souffle rise to heavenly heights, is also a great teacher. It’s helping Americans understand how a free-market economy works: When demand is high and supply is low, prices rise.

The risk of bird flu to humans is low, but eating undercooked eggs or chicken could increase your chances of exposure to infection and germs.

Businesses in Lowell are managing the economic fallout from the so-called bird flu, a highly pathogenic and transmissible disease that is killing millions of egg-laying birds in chicken facilities

One of the top egg producers in the U.S. confirmed that a farm tested positive for cases of bird flu over the weekend, the company said in a statement Tuesday.

Anytime the virus is found on a poultry farm, the entire flock is slaughtered to help limit the virus' spread.

Bird flu outbreaks are raising egg prices in Connecticut and across the U.S. as the H5N1 virus impacts poultry supply.

Egg prices are rising again as bird flu continues to devastate farms across the country, forcing the culling of millions of chickens each month. With the national average price for a dozen eggs hitting $4.