Ключевые слова: anti, antibody, assistance, attack, biology, cell, clinic, dangerous, defeat, defend, defense, disease, fight, fighting, guard, guarding, health, health care, healthcare, hygiene, ill, immune, infection, medical, medicine, microbiology, microscope, microscopic, pharmacy, prevention, protect, protection, protective, research, response, risk, safety, science, seasonal, security, shield, stop, strong, support, system, therapy, treatment, vaccination, virus,