1. Clinical features of patients infected with 2019 novel coronavirus in Wuhan;Huang;China. Lancet.,2020
2. World Health Organization (WHO). Coronavirus disease (COVID-19) pandemic [Internet]. 2021.
3. World Health Organization. Regional Office for the Western Pacific. Overview of Lao health system development 2009-2017. 2018;
4. World Health Organization (WHO). World Health Organization. The COVID-19 situation reports for Lao PDR [Internet]. [Internet].2021 Available from: www.who.int/laos.
5. World Health Organization. World Health Organization. Laboratory testing for 2019 novel coronavirus (2019-nCoV) in suspected human cases: interim guidance (WHO/2019-nCoV/laboratory/2020.2) [Internet]. 2020 Available from: https://apps.who.int/iris/handle/10665/332300?locale-attribute=fr&.