Parameters in the Economic Model.

The number of cases that are mild among children less than 10 years old was based on the proportion of unreported cases, while those in individuals 10 years and older was based on the percentage of reported cases without paroxysmal cough [10], [31]. The proportion of cases that are severe was based on hospitalization rates [10], [32]. In children less than 10 years old, hospitalization rates were only applied to reported cases. The proportion of cases that are moderate was assumed to be those not classified as severe or mild.Lost productivity per day for children10岁以下儿童的轻症病例数基于未报告病例占比，而10岁及以上人群的轻症病例数则依据无阵发性咳嗽的报告病例占比[10]、[31]。重症病例占比基于住院率[10]、[32]。对于10岁以下儿童，住院率仅适用于已报告病例。中度病例占比被假定为未被归类为重症或轻症的病例。儿童每日的生产力损失。