Ключевые слова: accident, african american, anesthesia, background, cardio surgery, care, chest surgery, clinic, clinical, cooperation, coronavirus infection, cruciate, cutting, doctor, doctors, drip, drop, dropper, emergency, equipment, facility, general practitioner, group, health care, heart surgery, hospital, illness, incision, infusion, injecting, intensive, interns, intravenous, iv, liquid, lockdown, male, man, mask, medical concept, medicare, medicine, men, modern, multiage, multirace, nurse, occupation, operating, operating room,