This is stated in the message on the website of the Ministry of Health of Japan.
In December, the Japanese government officially certified Moderna's coronavirus vaccine as a booster.
Japanese Ministry of Health approves Pfizer drug for vaccination of children aged 5 to 11
2022-01-21T02:19:19.501Z
Japan's Ministry of Health, Labor and Welfare has approved the use of Pfizer's coronavirus drug to vaccinate children aged 5 to 11 years.
Source: russiart