Dynamic Trends and Underlying Factors of COVID-19 Vaccine Booster Hesitancy in Adults: Cross-Sectional Observational Study

Jian Wu   ^{1, 2} , Prof Dr, PhD ;   Mingze Ma   ^{1, 2} , PhD ;   Quanman Li   ^{1, 2} , PhD ;   Xinghong Guo   ^{1, 2} , PhD ;   Clifford Silver Tarimo   ^{1, 3} , PhD ;   Shiyu Jia   ^{1, 2} , MPH, MD ;   Xue Zhou   ⁴ , Prof Dr, PhD ;   Meiyun Wang   ⁵ , Prof Dr, PhD ;   Jianqin Gu   ⁶ , Prof Dr, PhD ;   Yudong Miao   ^{1, 2} , Prof Dr, PhD ;   Beizhu Ye   ^{1, 2} , Prof Dr, PhD

¹ Department of Health Management, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China

² Henan Province Engineering Research Center of Health Economy & Health Technology Assessment, Zhengzhou, China

³ Department of Science and Laboratory Technology, Dar es salaam Institute of Technology, Dar es Salaam, United Republic of Tanzania

⁴ Department of Public Utilities Management, College of Health Management, Mudanjiang Medical University, Hei Longjiang, China

⁵ Henan Provincial People's Hospital, Zhengzhou University, Zhengzhou, China

⁶ School of Medicine, Southern University of Science and Technology, Shenzhen, China