Duriyaprapan, Pornchanan, Anchalee Erjongmanee, Withoone Kittiphichai, Kanokwan Sengkhampha, and Kunyanut Tuboonmar. “Effectiveness of the CoronaVac Vaccine on Symptomatic COVID-19 Infection, Severe Disease, ICU/semi-ICU Admission, and Mortality in Samut Sakhon Province: A Test-Negative Case-Control Study”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal 15, no. 2 (June 30, 2022): 40–46. Accessed May 19, 2024. https://he02.tci-thaijo.org/index.php/OSIR/article/view/262418.