报告主题:寨卡病毒的传播动力学建模
报告人:阮士贵 教授 (迈阿密大学数学系)
报告时间:2017年1月4日(周三)18:30
报告地点:校本部G508
邀请人:傅新楚
主办部门:永利数学系
报告摘要:The ongoing Zika virus (ZIKV) epidemic poses a major global public health emergency as it has been reported in more than 70 countries worldwide. It is well-known that ZIKV is spread by Aedes mosquitoes, studies show that ZIKV can also be transmitted via sexual contact and cases of sexually transmitted ZIKV of the current outbreak have been confirmed in several countries. In this talk we first present a mathematical model to investigate the impact of mosquito-borne transmission and sexual transmission on prevention and control of ZIKV and use the model to fit the ZIKV data up to February 2016 in Brazil, Colombia, and El Salvador. Our result indicates that sexual transmission increases the risk of infection and epidemic size and prolongs the outbreak. Then we will introduce a second model to describe how Zika virus can be imported, established and spread in new territories by international travel. The model will be used to simulate the non-travel-related infection cases reported in Florida in 2016. In order to prevent and control the transmission of ZIKV, it must be treated as not only a mosquito-borne disease but also a sexually transmitted disease. Some other vector-borne diseases will also be mentioned.
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