COVID-19 vaccine acceptance and its associated factors in the Western Pacific Region

Jin, Shihui; Lin, Leesa; Larson, Heidi J.; Cook, Alex R.

doi:10.1016/j.lanwpc.2023.100840

Cited by 2 publications

(2 citation statements)

References 33 publications

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“…Influencers for vaccine endorsement were country-specific or region-specific, but generally, groups susceptible to vaccine hesitancy included females, the less-educated, and those distrusting vaccines or health care providers. 38 This study revealed a negative correlation between government policy response intensity and COVID-19 vaccine hesitancy, suggesting that as government response intensity increased, COVID-19 vaccine hesitancy decreased. A tracking survey in Hong Kong also showed that public willingness to receive vaccines was related to the intensity of prevention and control policies.…”

Section: Discussionmentioning

confidence: 64%

“…(coinciding with phase 1 of our study) showed that vaccination rates were higher in 2022 than in 2021. 38 Synthesizing other studies, compared with the stage 1, the vaccine uptake willingness significantly increased, that is, the COVID-19 vaccine hesitancy decreased, while China's COVID-19 vaccine hesitancy in this stage was higher compared to that in stage 1. In stage 3, China's COVID-19 vaccine hesitancy increased, which is consistent with the survey results in Guangzhou, China in December 2022, where vaccine hesitancy reached 30.4%.…”

Section: Discussionmentioning

confidence: 88%

See 1 more Smart Citation

Dynamic evolution of COVID‐19 vaccine hesitancy over 2021–2023 among Chinese population: Repeated nationwide cross‐sectional study

Shen,

Li,

et al. 2024

Journal of Medical Virology

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Globally, the rollout of COVID‐19 vaccine had been faced with a significant barrier in the form of vaccine hesitancy. This study adopts a multi‐stage perspective to explore the prevalence and determinants of COVID‐19 vaccine hesitancy, focusing on their dynamic evolutionary features. Guided by the integrated framework of the 3Cs model (complacency, confidence, and convenience) and the EAH model (environmental, agent, and host), this study conducted three repeated national cross‐sectional surveys. These surveys carried out from July 2021 to February 2023 across mainland China, targeted individuals aged 18 and older. They were strategically timed to coincide with three critical vaccination phases: universal coverage (stage 1), partial coverage (stage 2), and key population coverage (stage 3). From 2021 to 2023, the surveys examined sample sizes of 29 925, 6659, and 5407, respectively. The COVID‐19 vaccine hesitation rates increased from 8.39% in 2021 to 29.72% in 2023. Urban residency, chronic condition, and low trust in vaccine developer contributed to significant COVID‐19 vaccine hesitancy across the pandemic. Negative correlations between the intensity of vaccination policies and vaccine hesitancy, and positive correlations between vaccine hesitancy and long COVID, were confirmed. This study provides insights for designing future effective vaccination programs for emerging vaccine‐preventable infectious X diseases.

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Section: Discussionmentioning

confidence: 64%

Section: Discussionmentioning

confidence: 88%

Dynamic evolution of COVID‐19 vaccine hesitancy over 2021–2023 among Chinese population: Repeated nationwide cross‐sectional study

Shen,

Li,

et al. 2024

Journal of Medical Virology

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Modelling the potential spread of Clade Ib MPXV in an Asia Pacific city

Jin,

Gan,

Endo

et al. 2024

Preprint

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BackgroundThe ongoing 2024 mpox outbreak in several African countries, driven by the novel Clade 1b strain, has resulted in imported cases being reported in Sweden and Thailand. The Asia Pacific (APAC) region, with little exposure to previous mpox waves, is particularly vulnerable to local transmission triggered by importation. While this highlights the importance of early preparedness, current knowledge of the virus’s transmission dynamics remains too limited to effectively inform policy-making and resource planning.MethodsA compartmental model was constructed to characterise the potential mpox transmission triggered by importation in an APAC city. Outbreaks were simulated under diverse hypothetical scenarios considering transmission mechanisms, different affected subpopulations, levels of disease transmissibility, and importation frequencies. The impacts of various non-pharmaceutical interventions (NPIs) including isolation, and vaccination strategies were projected and compared.FindingsUp to 30% of the population would be infected in the scenario of high sexual and moderate non-sexual transmissibility in the general community, with minimal impact from importation frequency on outbreak size and healthcare burden. The sequential introduction of mandatory home isolation for diagnosed cases, pre-departure screening of international arrivals, and contact tracing were projected to lower the peak outbreak size by 35%, 0.04%, and 1.1%, respectively, while the reduction would be 30% with proper vaccination by prioritising the sexually active group. These measures would significantly decrease disease morbidity and mortality rates, thereby alleviating the disease’s pressure on healthcare systems.InterpretationThe potential mpox outbreak in the APAC setting could be alleviated through strong surveillance and timely response from stakeholders. NPIs are recommended over vaccination for outbreak management due to their demonstrated effectiveness and practicability.

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COVID-19 vaccine acceptance and its associated factors in the Western Pacific Region

Cited by 2 publications

References 33 publications

Dynamic evolution of COVID‐19 vaccine hesitancy over 2021–2023 among Chinese population: Repeated nationwide cross‐sectional study

Dynamic evolution of COVID‐19 vaccine hesitancy over 2021–2023 among Chinese population: Repeated nationwide cross‐sectional study

Modelling the potential spread of Clade Ib MPXV in an Asia Pacific city

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