Ключевые слова: adult, analysis, background, biochemistry, blood, care, cdc, chemistry, closeup, diagnostic, dish, dripping, dropper, epidemic, equipment, exam, examine, experiment, female, fever, flu, glass, hand, health, hematology, hospital, illness, immunology, lab, laboratory, light, medic, medical, medicine, microbiology, microorganism, person, petri, pipette, research, sample, science, scientist, table, taking, technology, test, virus, woman,