Li, Song, Yufa Zhou, Shujuan Gao, Quanhai Pang, and Zengmin Miao. 2018. “A Small-Scale Study on Airborne Transmission of H9N2 Avian Influenza Virus under Field Conditions”. The Journal of Infection in Developing Countries 11 (12), 962-66. https://doi.org/10.3855/jidc.9013.