Ключевые слова: bar, biology, care, control, counter, cure, defense, disease, epidemic, flu, frame, health, help, human, hygiene, illness, immune, immunity, immunology, indication, indicator, infections, interface, level, load, measure, measurement, medical, medicine, microbiology, organism, percent, presentation, prevention, progress, protect, protection, safety, scale, science, sick, sickness, speed, stripe, test, treatment, vaccination, virus,