
Quang Tuan Nguyen, Thao Anh Hoang, Hai Yen Thị Nguyen, Xuan Co Dao1, Van Thanh Do, Van Thanh Dong, Van Giap Vu, and Van Minh Hoang The COVID-19 pandemic, with the first cases being reported in Wuhan, China by the end of December 2019, has been declared a Public Health Emergency of International Concern (PHEIC) by the World Health Organization (WHO) by the beginning of 2020. Since then, over 112 million people across the globe have been infected with the disease, and more than 2.5 million related deaths, were reported by February 2021