Ключевые слова: bacterium, blood, covid19, danger, epidemic, healthcare and medicine, horizontal, human body part, human hand, illness, infectious disease, laboratory, laboratory equipment, medical equipment, medical exam, medical occupation, medical procedure, medical research, medical supplies, medical test, medicine, microbiology, middle east respiratory syndrome, one person, part of, people, pharmacy, protective glove, respiratory disease, science, scientific experiment, sudden acute respiratory syndrome, test tube, virus,