www.mhlw.go.jp/stf/newpage_28387.html

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新型コロナウイルスワクチンの特例承認について|厚生労働省

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Apr 10, 2026, 12:01 AM

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https://www.mhlw.go.jp/stf/newpage_28387.html

About this page

This page is a Ministry of Health, Labour and Welfare press release from October 5, 2022, announcing special approvals for COVID-19 vaccines. Two approvals were granted: Comirnaty intramuscular injection for 6 months to 4 years old, and a partial change in approval for Comirnaty RTU. The pediatric vaccine requires three doses diluted in saline (second dose after 3 weeks, third dose after 8 weeks). The RTU formulation adds a bivalent vaccine targeting the original strain and Omicron BA.4-5, with two initial immunizations and booster dosing approved.

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Apr 10, 2026, 12:01 AM

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