Gignoux Etienne, Esso Linda, Boum Yap
Epicentre, Geneva, Switzerland.
Department for the Control of Disease, Epidemics and Pandemics, Ministry of Public Health, Yaoundé, Cameroon.
Lancet Glob Health. 2021 Mar;9(3):e223-e224. doi: 10.1016/S2214-109X(21)00020-6.