PRAEKUNATHAM, H.; BURANASATITNON, S.; RUKSAKOM, H. Situation and Spatial Analysis of the COVID-19 Epidemic in Business Establishments: Comparison between the Delta and Omicron Variants in Thailand, July 2021–May 2022. Outbreak, Surveillance, Investigation & Response (OSIR) Journal, [S. l.], v. 15, n. 4, p. 114–122, 2022. DOI: 10.59096/osir.v15i4.262274. Disponível em: https://he02.tci-thaijo.org/index.php/OSIR/article/view/262274. Acesso em: 2 oct. 2026.