The Hong Kong Government announced on November 11 the launch of the “LeaveHomeSafe” COVID-19 exposure notification mobile app. The app is designed to help the public keep a more precise record of their whereabouts, minimising the risk of further transmission of the virus. The ”LeaveHomeSafe ” mobile app will be available for public download from November 16. Currently over 6 000 public and private venues have pledged support for the scheme. The mobile app can also be used directly in over 18,000 taxis. The ”LeaveHomeSafe” mobile app supports iOS, Android and Huawei mobile devices More details are available on the dedicated ”LeaveHomeSafe” website www.leavehomesafe.gov.hk.