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F.D.A. Advisory Panel Recommends Pfizer Boosters for Older People and Others at High Risk (Publis...

F.D.A. Advisory Panel Recommends Pfizer Boosters for Older People and Others at High Risk (Published 2021) The New York Times
WHO、低所得国向けワクチン供給の優先呼び掛け - Reuters

WHO、低所得国向けワクチン供給の優先呼び掛け Reuters