“…Vaccine-related factors : HCWs who had concerns regarding the adverse long-term side effects of the vaccine [ 5 , 20 , 22 , 24 , 32 – 34 , 36 , 40 , 42 , 46 – 49 ], as well as concerns about the tolerability of vaccine side effects [ 20 ] and its impacts on fertility [ 48 ] were more hesitant to accept a COVID-19 vaccine. As were those who had concerns about the safety [ 5 , 22 – 24 , 30 , 32 – 34 , 36 , 38 , 42 – 48 ], quality [ 33 , 47 , 48 ] and effectiveness or efficacy [ 5 , 20 , 22 , 24 , 30 , 32 , 33 , 36 , 38 , 42 – 48 ] of COVID-19 vaccines. Alternatively, HCWs who displayed less concern for serious vaccine side-effects [ 36 ] and perceived the vaccine to be safe [ 20 , 34 , 39 , 48 , 49 ] and effective [ 20 , 21 , 32 – 34 , 36 , 46 …”