Thantithaveewat, Thanawadee, Onphirul Yurachai, Sineenart Kulawong, Seesai Yeesoonsang, and Sopon Iamsirithaworn. 2020. “Case Screening Criteria for Early Detection of COVID-19 Cases in the First Wave of the Pandemic, Thailand”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal 13 (3):120-26. https://doi.org/10.59096/osir.v13i3.262808.