anupat, Waritnun, Drunpob Srithammawong, Patchanee Plernprom, Pochana choosang, Thanit Rattanathumsakul, and Chayanit Mahasing. “A Food Poisoning Outbreak in a School from Progressive Contamination of Norovirus, Amnat Charoen Province, Thailand, February 2025”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal 18, no. 4 (December 31, 2025): 224–231. accessed April 22, 2026. https://he02.tci-thaijo.org/index.php/OSIR/article/view/277699.