Ministry of Health. (2020). COVID-19 update. Retrieved from https://moh.gov.vn/
Thu, H. (2020). Deputy Minister of the Ministry of Health: nCoV could reach the highest number in the next week. Retrieved from https://news.zing.vn/thu-truong-bo-y-te-dich-virus-corona-co-the-dat-dinh-vao-tuan-toi-post1042979.html
World Health Organization. (2020a). Basic protective measure against the new coronavirus. Retrieved from https://www.who.int/emergencies/diseases/ novel-coronavirus-2019/advice-for-public
World Health Organization. (2020b). Coronavirus. Retrieved from https://www. who.int/health-topics/coronavirus
This work is licensed under a Creative Commons Attribution 4.0 International License.