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World Blood Donor Day
world blood donor day
World Blood Donor Day - Red heart-shaped liquid on dark background
World Blood Donor Day - Single droplet of blood hanging midair
World Blood Donor Day - Red liquid pouring from chalice with text
World Blood Donor Day - Graffiti-style painting with colorful swirls
World Blood Donor Day - Blood spills from bag with "share life, give
World Blood Donor Day - Cartoon blood donor holding heart balloon happily