新型コロナ

General Affairs

November 22, 2022

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I want to protect preschoolers from Corona! Close contact management with QR codes

Although we are trying to request infection at home, we still can't let go of masks. In this article, we will introduce the close contact management function of Colorkrew Biz, which protects preschool children attending nursery schools and kindergartens from the new coronavirus. | Colorkrew Biz Blog