1. Ministry of Health, Labour and Welfare, Why is the “mandatory effort” now applied to the vaccination of children (5-11 years old)? (Japanese). 2022, Ministry of Health, Labour and Welfare; Tokyo.
2. Ministry of Health, Labour and Welfare, Does the “duty of effort” apply to Covid-19 vaccination of infants (6 months to 4 years of age)? (Japanese). 2022, Ministry of Health, Labour and Welfare; Tokyo.
3. Japan Pediatric Society, Views on vaccination of children between 6 months and 5 years of age with the vaccine for Covid-19 (Japanese). 2022, Committee on Immunization and Infectious Disease Control, Japan Pediatric Society; Tokyo.
4. Japan Pediatric Society, Views on vaccination of children aged 5-17 years with the vaccine for Covid-19 (Japanese). 2022, Japan Pediatric Society; Tokyo.
5. Prime Ministers' Office in Japan, Immunization results by age group (Japanese). 2023, Prime ministers' office in Japan; Tokyo.