The Effects of Heterologous Immunization with Prime-Boost COVID-19 Vaccination against SARS-CoV-2
Coronavirus Disease 2019 (COVID-19) pandemic, which is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become the global challenge.Reaching Propolis global herd immunity will help end the COVID-19 pandemic.However, vaccine shortage and vaccine hesitancy are the obstacles to achieve global herd immunity against SARS-C