Objective: To examine the general publics views around willingness to receive COVID-19 vaccines and concerns regarding their safety .
Design: Repeat cross-sectional surveys .
Setting: Online surveys in Australia, Canada, Denmark, Finland, France, Germany, Italy, Japan, Netherlands, Norway, Singapore, South Korea, Spain, Sweden and the United Kingdom Participants: National samples of adults aged 18 years and above in November 2020 and January 2021 . Main outcomes measures: The proportion of adults reporting: willingness to receive a COVID-19 vaccination; concern regarding side-effects from vaccinations; concerns over contraction COVID-19, and beliefs around vaccine provision in their country . Changes between the November and January surveys are also reported .
Results: Across the 15 countries, the proportion of respondents reporting they would have the COVID-19 vaccine increased from 40.7% (range : 25.0-55.1) to 55.2% (range : 34.8-77.5), proportion reporting worried about the side-effects of vaccine decreased from 53.3% (range : 42.1-66.7) to 47.9% (range : 28.0-66.1). On the second survey, willingness to receive vaccine remained low in females (49.4%, range : 30.2-79.1), aged 18-39 years (42.1%, range : 25.9-71.7), those not working or unemployed (48.9, range : 18.8-67.0), students (45.9%, range : 22.8-70.0), and those with children at home (46.5%, range : 32.4-68.9). Concerns regarding safety of vaccine remained high in females (53.7%, range : 31.8-70.4), aged 18-39 years (50.8%, range : 28.2-60.7), aged 40-64 years (51.3%, range : 30.7-68.5), those working (50.5%, range : 26.7-65.0), those not working or unemployed (53.3, range : 35.4-73.8) and those with children at home (55.8%, range : 36.5-64.7). Conclusion: COVID-19 vaccine hesitancy decreased considerably over a relatively short time coinciding with the discovery of effective vaccines . The public remain concerned about their safety, and public health messaging will need to emphasis their safety especially amongst females, parents and younger adults.