Dirlikov, E., Zhou, S., Han, L., Li, Z., Hao, L., Millman, A. and Marston, B. (2021) “Use of public data to describe COVID-19 contact tracing in Hubei Province and non-Hubei provinces in China between 20 January and 29 February 2020”, Western Pacific Surveillance and Response, 12(3), p. 6. doi: 10.5365/wpsar.2021.12.3.808.