University of Hong Kong infectious diseases expert Professor Yuen Kwok-yung agreed, saying social distancing was the “only thing to do” when masks were not readily available.
China coronavirus: where to find surgical masks in Hong Kong, when to throw used ones away and the myths surrounding them. (2020, January 30). South China Morning Post. Retrieved from https://www.scmp.com/news/hong-kong/health-environment/article/3048238/china-coronavirus-where-find-surgical-masks-hong