Shohei Okamoto|Kazuki Kamimura|Kohei Komamura
COVID-19 vaccine hesitancy and vaccine passports: a cross-sectional conjoint experiment in Japan
Tokyo Metropolitan Institute of Gerontology|Keio University|Center for Global Health|National Center for Global Health and Medicine|Financial Research (Hungary)|Global Policy Institute|Keio University|Konan University|Financial Research (Hungary)|Keio University|Financial Research (Hungary)
objectives development vaccines novel coronavirus covid19 brought hope establishing herd immunity ending global pandemic vaccine hesitancy hinder progress towards herd immunity study analysing data collected citizens undergo public health restrictions due pandemic assess determinants vaccine hesitancy reasons hesitation potential effectiveness vaccine passports used relax public health restrictions mitigating vaccine hesitancy design crosssectional study longitudinal study conjoint experimental design setting online survey conducted japan july 2021 participants demographically representative sample 5000 japanese adults aged 2074 primary outcome measures covid19 vaccination intention results found 30 respondents intend get vaccinated yet decided major reasons vaccine hesitancy relating concerns safety side effects vaccine line previous findings younger age lower socioeconomic status psychological behavioural factors weaker covid19 fear associated vaccine hesitancy easing public health restrictions travel wearing face masks dining night associated increase vaccine acceptance 410 moreover found 90 respondents intended get vaccinated actually received smaller proportions among undecided unwilling get vaccinated conclusion major concern vaccine safety side effects interventions mitigate may help reduce vaccine hesitancy moreover citizens imposed restrictions vaccine passports increase freedom may helpful increase vaccination rates