8 September 2021. As the latest Covid-19 outbreak becomes more complicated in Vietnam, an formal application for smart devices developed by the Health Ministry to register for and check the vaccination procedure, to declare health status and make doctor appointments has attracted much attention because of its convenience.https://www.sggpnews.org.vn/science_technology/vietnam-effectively-using-electronic-health-record-in-covid19-fight-94564.html