Low seroprevalence of COVID-19 in Lao PDR, late 2020

Siriphone Virachith (1) , Virginie Pommelet (1) , Elodie Calvez (1) , Vilaysone Khounvisith (1) , Somphou Sayasone (2) , Sengchanh Kounnavong (2) , Mayfong Mayxay (3, 4, 5) , Phonepadith Xangsayarath (6) , Sarah Temmam (7) , Marc Eloit (7) , Nicolas Escriou (8) , Thierry Rose (9) , Khamsing Vongphayloth (1) , Judith Hübschen (10) , Vincent Lacoste (1) , Somphavanh Somlor (1) , Darouny Phonekeo (1) , Paul Brey (1) , Antony Black (1)

1 Institut Pasteur du Laos
2 Lao Tropical Public Health Institute
3 IRED - Institute of Research and Education Development [Vientiane, Laos]
4 LOMWRU - Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit
5 Centre for Tropical Medicine and Global Health [Oxford, UK]
6 National Centre for Laboratory and Epidemiology [Vientiane, Laos]
7 Découverte de pathogènes – Pathogen discovery
8 Département de Santé Globale - Department Global Health
9 Biologie Cellulaire des Lymphocytes - Lymphocyte Cell Biology
10 LIH - Luxembourg Institute of Health

In 2020 Lao PDR had low reported COVID-19 cases but it was unclear whether this masked silent transmission. A seroprevalence study was done August - September 2020 to determine SARS-CoV-2 exposure.

Domains: Life Sciences [q-bio]; Microbiology and Parasitology; Virology; Life Sciences [q-bio]; Santé publique et épidémiologie

Siriphone Virachith, Virginie Pommelet, Elodie Calvez, Vilaysone Khounvisith, Somphou Sayasone, et al.. Low seroprevalence of COVID-19 in Lao PDR, late 2020. The Lancet Regional Health - Western Pacific, 2021, 13, pp.100197. ⟨10.1016/j.lanwpc.2021.100197⟩. ⟨pasteur-03661224⟩