Ключевые слова: blood, blue, cardio, care, check, clinic, clip, coronavirus, covid, covid19, device, digital, doctor, examine, finger, glove, hand, health, heart, home, hospital, illness, indoors, level, measure, monitor, normal, nurse, oximeter, oximetry, oxygen, pandemic, patient, people, pneumonia, portable, pulse, rate, saturation, sensor, symptom, test, virus, white, woman,