Duriyaprapan, P.; Erjongmanee, A.; Kittiphichai, W.; Sengkhampha, K.; Tuboonmar, K. 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. OSIR 2022, 15, 40–46.