“…Conversely, two other studies found acceptance rates of 70.0% [ 22 ] and 78.6% among HCWs in Ghana, exceeding the regional acceptance rate in Africa [ 38 ]. Key determinants of vaccine hesitancy among HCWs, particularly in developing countries included concerns about vaccine effectiveness [ 39 ], knowledge about the vaccine [ 40 , 41 ], attitude towards vaccination [ 35 , 42 , 43 ], and health belief model measures, including perceived susceptibility to and severity of COVID-19 infection [ 44 , 45 ], perceived barriers and benefits to vaccination [ 42 ], and cues to action [ 46 ]. Globally, perceived COVID-19 vaccine effectiveness among the general population ranged from 67.8% to 95.9%, and factors such as age, sex, level of education, and marital status significantly influenced individual perception of vaccine efficacy [ 47 ].…”