Ключевые слова: background, bag, blood, care, clinic, coronavirus, covid19, day, donate, donation, donor, donorship, event, focus, give, giving, health, healthcare, help, hematologic, hospital, illness, injection, laboratory, life, machine, medical, medicine, needle, nurse, patient, people, plasma, public, save, selective, service, sterile, surgical, syringe, transfused, transfusion, tubing, vein, voluntary, volunteer,