• Xiaomin Wang, Leesa Lin, Jiayao Xu, Weiyi Wang, and Xudong Zhou.
• Institute of Social Medicine, School of Medicine, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China. Electronic address: xiaominwang2018@zju.edu.cn.
• Prev Med. 2021 Apr 1; 145: 106423.

AbstractImmunization programs have been challenged by vaccine crises. Between 2013 and 2018, China has experienced three major vaccine scandals and crises, which has partly impaired Chinese public trust in domestically produced vaccines. This study aims to explore the associations between parental trust toward CDC-released crisis communication information, parents' critical understanding of crisis information, parental confidence in vaccine efficacy, and parental vaccine decisions. A cross-sectional survey was conducted among 1065 expectant parents two weeks after the 2018 vaccine crisis was revealed. The proportion of parental hesitancy toward domestically produced vaccines and overall vaccination increased from 30.6% to 82.7% and 8.3% to 52.1%, respectively, after the crisis. Parents with higher levels of trust toward crisis communication information were less likely to report vaccine hesitancy toward both domestically produced vaccines and vaccines overall after the crisis. Parents with better critical understanding of crisis information were less likely to report a vaccine hesitancy toward overall vaccine and more likely to maintain a vaccine intention. Additionally, parents with lower levels of confidence in vaccine efficacy were more likely to became vaccine hesitant but were also more likely to maintain their vaccine intentions after the crisis. It is crucial to guarantee the safety of vaccines, maintain parental confidence in vaccine efficacy, and eliminate the potential risks that result in parental vaccine hesitancy. Future crisis communication strategies are encouraged to ensure timely responses to sustain public confidence.Copyright © 2021 Elsevier Inc. All rights reserved.

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