Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

For Mark Siemens, one of the worst things is the smell. The third generation farmer in B.C.’s Fraser Valley is still grappling with what started as a disturbing discovery on Halloween and has now ...

A teenager in British Columbia, Canada, is critically ill with H5N1 bird flu, marking the country's first human case of this ...

Bird flu H5N1 has infected dozens of people in the U.S. this year. Could it be the next pandemic? Experts explain the threat ...

The World Health Organization voiced alarm at the growing spread of H5N1 bird flu to new species, including humans, who face an ‘extraordinarily high’ mortality rate. Hong Kong should test for ...

The newly identified ST164 strain of antibiotic-resistant CRAB bacteria is spreading in Asia, posing a global health risk due to high resistance and limited treatment options. Rigorous infection ...

The CDC study provides the largest window to date into how the bird virus first detected in March in dairy cows may be ...

China appears to have built a new and unusual aircraft carrier ... People have been hearing a lot about H5N1 bird flu -- or highly pathogenic avian influenza -- since a B.C. teen became the ...

This version of bird flu — known as Type A H5N1 — has been spreading widely in the U.S. among wild birds, poultry, cows and a number of other animals. Its persistence increases the chances ...