The case of the Canadian teen and the death of a Louisiana man are stark reminders of bird flu’s capacity to ignite serious illness.

Customers in Louisiana and nationwide are dealing with egg prices going up and sparsely populated aisles at the grocery store following the spread of the bird flu in the U.S.

None of the farm workers who may have been exposed is currently ill, according to county health officials. The farm is currently under quarantine.

This health risk report comes after news that the first patient who was hospitalized, and who was the first human case of avian influenza, in Louisiana has died. The patient was over 65 years old ...

How deadly is the bird flu? The US has reported its first death from avian influenza, H5N1. Here's what to know about bird flu mortality rate and who is at risk.

Editorial: "We don't expect our public health officials to have all the answers. But when they do have information that can save lives, it's sheer dereliction of duty to hide it. Vaccines work, and Louisiana officials need to stop the pandering and say so.

Seven Delmarva-region commercial operations have now reported cases of the highly contagious virus.

Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the brink of human-to-human transmission, but predicting whether a virus will cross that threshold remains an uncertain science.

There have been 14 recorded cases of avian influenza among humans in Washington, but none in Clark County. Local health officials still consider the risk to the general public to be low.

The CDC is calling for expanded testing of bird flu after a child in California tested positive for the virus despite no known contact with animals.

Public-health officials are now comparing the genetic features of the teen’s case with that of a Louisiana patient whose death this week was the first reported to be attributed to H5N1 in the U.S.