Every horse is at risk of contracting flu (equine influenza), a highly contagious respiratory disease that affects the upper and lower respiratory tract in equines and negatively affects horse health.

DENVER – Officials believe a strain of equine influenza could be to blame for the death of what as of Thursday is 95 wild horses this week at a Bureau of Land Management corral in Cañon City. The 95 ...

The 1918 influenza pandemic remains the deadliest in modern history, killing tens of millions — and leaving scientists with enduring questions about how it began. A century later, a virologist and ...