Etiology of severe acute respiratory infections among adults in northern Thailand using multiplex PCR: A post-COVID-19 surveillance study (2023–2024) - Nang Kham-Kjing; Rathakarn Kawila; Patcharaporn Tariyo; Kittiyaporn Puapun; Sirinat Wongchotbrorirak; Nicole Ngo-Giang-Huong; Sayamon Hongjaisee; Woottichai Khamduang (PLoS ONE, 2026)