Malik, Muhammad Umer, Muhammad Syafiq Abdullah, Pui Lin Chong, Rosmonaliza Asli, Babu Ivan Mani, Nooraffizan Rahman, Natalie Riamiza Momin, Chin Ann Lim, Justin Wong, Chee Fui Chong, and Vui Heng Chong. 2022. “Clinical and Demographic Characteristics of COVID-19 Cases in Brunei Darussalam: Comparison Between the First and Second Waves, 2020 and 2021”. Western Pacific Surveillance and Response 13 (3):7. https://doi.org/10.5365/wpsar.2022.13.3.925.