Chatngoen, T., Sae-aui , P., Tamad, A., Kaesaman, S., Suhem, A., Malae, S., Praditsuwan, A., Chobkatanyoo, A., & Sangsawang, C. (2025). An Investigation of Pertussis Outbreak in a Low Vaccination Coverage Area, Mae Lan District, Pattani Province, Thailand, September–December 2023. Outbreak, Surveillance, Investigation & Response (OSIR) Journal, 18(1), 1–11. https://doi.org/10.59096/osir.v18i1.272814