This virus has infected chickens, cattle, and people and caused egg prices to skyrocket. How worried should you be?A farmer standing among her chickens at a farm in California.By Kevin Loria, ...
Experts said the discovery raises questions about how widely the virus has spread, and underscores the difficulty of ...
Avian influenza H5N1 continues to spread. A second type of the virus, D1.1, has been detected in dairy cattle in Nevada, US. What does it mean for people?