Walley John D, Zhang Zhitong, Wei Xiaolin
Nuffield Centre for International Health and Development, University of Leeds, Leeds, UK.
Dalla Lana School of Public Health, University of Toronto, Toronto M5T 3M7, ON, Canada.
Lancet Infect Dis. 2021 May;21(5):597. doi: 10.1016/S1473-3099(21)00196-1.