The occurrence and transmission characteristics of airborne H9N2 avian influenza virus

Summary To better understand the transmission route of H9N2 subtype avian influenza virus (AIV), two duplicate trials were conducted to observe the process of aerosol infection and direct contact in specific pathogen free chickens. Fifteen chickens (G1) were inoculated with H9N2 subtype AIV and housed together with another 15 chickens (G2) in the same positive-negative ...read more