This study introduced an age-structured model that thought of the two vaccination endeavours and NPIs To judge the effects of COVID-19 variants including Delta and Omicron while in the Republic of Korea through Value-performance across age teams. We estimated the transmission and case-fatality costs for various age teams during https://onlinecasesolution16479.get-blogging.com/22454831/mba-case-study-help-can-be-fun-for-anyone