Ключевые слова: analysis, analyzing, background, biology, biotechnology, care, chemistry, clinic, closeup, development, disease, doctor, drug, epidemic, equipment, experiment, flu, hand, health, health care, holding, hospital, illness, immunization, infection, injection, lab, laboratory, mask, medical, medicine, microbiology, pandemic, protection, protective, quarantine, research, science, scientist, syringe, test, treatment, tube, vaccination, vaccine, virus, woman,