Using observational data to quantify bias of traveller-derived COVID-19 prevalence estimates in Wuhan, China
Using observational data to quantify bias of traveller-derived COVID-19 prevalence estimates in Wuhan, China
The incidence of coronavirus disease 2019 (COVID-19) in Wuhan, China, has been estimated using imported case counts of international travellers, generally under the assumptions that all cases of the disease in travellers have been ascertained and that infection prevalence in travellers and residents is the same. However, findings indicate variation …