Age, source of and future risk of infection in two settings of Hong Kong and Singapore by March 5, 2020

Abstract Objective To compare the age, source of and future risk of infection in Hong Kong SAR China and Singapore by March 5, 2020. Results We find significant difference in age patterns of confirmed cases in these two localities and highlight the potential importance of population age structure in confirmed cases, which should be considered in evaluation of the effectiveness of control effort in different localities.