Modeling the impacts of contact tracing on an epidemic with asymptomatic infection

作者：

Highlights：

• An extended SAIS model is developed to explore the impacts of contact tracing on the epidemic with asymptomatic infection.

• The three effects induced by contact tracing: social distancing, infection test, and arousing risk perception, are considered simultaneously.

• Based on contact tracing, social distancing is more effective than the other two effects on reducing the number of infections.

• Contact tracing and its three effects will not affect the epidemic threshold as it is completely epidemic-based.

摘要

•An extended SAIS model is developed to explore the impacts of contact tracing on the epidemic with asymptomatic infection.•The three effects induced by contact tracing: social distancing, infection test, and arousing risk perception, are considered simultaneously.•Based on contact tracing, social distancing is more effective than the other two effects on reducing the number of infections.•Contact tracing and its three effects will not affect the epidemic threshold as it is completely epidemic-based.

论文关键词：Contact tracing,Asymptomatic infection,Extended SAIS model,Multilayer network,Epidemic threshold

论文评审过程：Received 17 September 2021, Revised 15 October 2021, Accepted 22 October 2021, Available online 10 November 2021, Version of Record 10 November 2021.

论文官网地址：https://doi.org/10.1016/j.amc.2021.126754