Updated: Can avian flu pose a global health threat? How avian flu spreads and affects humans Avian influenza, or bird flu, is highly contagious. It spreads via direct contact with infected birds or their secretions, and can also become airborne in enclosed spaces. Humans can contract the virus through contamination on surfaces, consuming undercooked poultry […]

Avian Flu: Global Health Threat, Causes, Symptoms, & Prevention