Published on in Vol 24, No 12 (2022): December
![Evolution of Public Opinion on COVID-19 Vaccination in Japan: Large-Scale Twitter Data Analysis Evolution of Public Opinion on COVID-19 Vaccination in Japan: Large-Scale Twitter Data Analysis](https://asset.jmir.pub/assets/4cd7a81d995ffbd1889b418bf5339319.png 480w,https://asset.jmir.pub/assets/4cd7a81d995ffbd1889b418bf5339319.png 960w,https://asset.jmir.pub/assets/4cd7a81d995ffbd1889b418bf5339319.png 1920w,https://asset.jmir.pub/assets/4cd7a81d995ffbd1889b418bf5339319.png 2500w)
1 Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
2 Mathematics and Informatics Center, The University of Tokyo, Tokyo, Japan
3 PRESTO, Japan Science and Technology Agency, Kawaguchi, Japan
4 Principles of Informatics Research Division, National Institute of Informatics, Tokyo, Japan
5 Faculty of Commerce and Economics, Chiba University of Commerce, Ichikawa, Japan
6 Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
7 National Institute of Informatics, Tokyo, Japan
8 Department of Economics, Ghent University, Ghent, Belgium
9 Department of Physics and Astronomy, Ghent University, Ghent, Belgium
*these authors contributed equally