Short message number of Changsha Center for Disease Control

Individuals traveling with mobile phones will be fed back to the epidemic prevention and control headquarters in a unified manner. If the mobile phone number has recently entered or stayed in a city or region in a high-risk area of COVID-19, it will automatically send epidemic prevention information to mobile phone users. According to the feedback information, the provincial and municipal epidemic prevention and control headquarters grasps the specific travel trajectory information of the mobile phone number, and finds that there are cities or regions that have recently entered or stayed in high-risk areas of COVID-19 epidemic, they will call the mobile phone users to report to the community or streets in time to avoid the spread of the epidemic.