“Incorporating a Vaccine Compartment in a SEIRD Model with Application to COVID-19 in Qatar” and “Incorporating Interventions to an Extended SEIRD Model with Vaccination: Application to COVID-19 in Qatar” were presented at Weill Cornell Medicine-Qatar, the Young Statisticians Meeting (YSM 2022), and the UCONN Statistics in Pharmaceutical Conference (2022), contributing to international discussions on statistical approaches to pandemic research.