Evaluation of Short-Distance Airborne Infection Risk Using a Cough Generator Wei Ling, Maho Ichikawa, Kaho Hashimoto, Masayuki Ogata, Hitomi Tsutsumi, Shoichi Morimoto, Shin-ichi Tanabe and Satoshi Hori E3S Web Conf., 111 (2019) 02028 Published online: 13 August 2019 DOI: 10.1051/e3sconf/201911102028