“…Many reasons have been proposed to explain people's hesitation and/or refusal to get vaccinated (Jennings et al, 2021;Khubchandani et al, 2022;Leng et al, 2021;Schwarzinger et al, 2021;Wong et al, 2021). Among the most reported reasons for COVID-19 vaccine hesitation and refusal are: concerns regarding the safety of the vaccine (Khubchandani et al, 2022;Leng et al, 2021;Rego et al, 2023); skepticism regarding the efficacy of the vaccine (Leng et al, 2021;Wong et al, 2021); problems with the availability and accessibility of the vaccine to specific sub-groups of the population (Frankenthal et al, 2022;Gori et al, 2023;Leng et al, 2021); concerns regarding the duration of protection provided by the vaccine and the possible need to get multiple doses of the vaccine (Khubchandani et al, 2022;Wong et al, 2021); general negative opinions regarding the use of vaccines (not particularly the anti-COVID-19 vaccine) (Jennings et al, 2021;Leng et al, 2021;Schwarzinger et al, 2021); exposure to fake-news and unestablished data regarding the safety and efficacy of the vaccine (Jennings et al, 2021;Khubchandani et al, 2022;Leng et al, 2021); young age and/or normal health status (Frankenthal et al, 2022;Gori et al, 2023;Leng et al, 2021;Schwarzinger et al, 2021;Wong et al, 2021); female gender (not consistent in all studies) (Gori et al, 2023;Schwarzinger et al, 2021); education level (not consistent in all studies) (Gori et al, 2023;Leng et al, 2021;Rego et al, 2023;Schwarzinger et al, 2021;Wong et al, 2021); employment statusnonworki...…”