vaccine hesitancyEnglishOxford Dictionary of Englishvaccine hesitancy /ˈvaksiːn ˌhɛzɪt(ə)n(t)si , ˈvaksɪn ˌhɛzɪt(ə)n(t)si / ▸ noun [mass noun] reluctance or refusal to have oneself or one's children vaccinated against an infectious disease or diseases: vaccine hesitancy remains an entrenched and emotionally charged issue there are large pockets of vaccine hesitancy in the capital from people of all ages and backgrounds.