Đào Huy Hiếu, a doctor at the 108 Military Hospital, was sent to support the frontline teams at the epicentre of COVID-19, HCM City. He and his colleagues left Hà Nội for HCM City only a day after receiving the request. In HCM City, his team was located at a secondary school in Tân Bình District and tasked with providing check-ups, treatment and consultancy to home-based COVID-19 patients. He wrote about the days he fought the virus to save patients alongside with other doctors.