Haw, Nel Jason L, Eugenia Mercedes Cañal, Juanito Zuasula Jr, Mary Jean Loreche, and Jaime Bernadas. “Epidemiological Characteristics of the SARS-CoV-2 Theta Variant (P.3) in the Central Visayas Region, Philippines, 30 October 2020–16 February 2021”. Western Pacific Surveillance and Response 13, no. 1 (February 9, 2022). Accessed November 23, 2024. https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/883.