Ключевые слова: anti, concept, conceptual, development, disposable, doctor, dose, effective, effects, epidemic, europe, face mask, final, global, healthcare, hospitalist, immunization, injection, international, laboratory, managing, medical, monitored, new, pandemic, participant, pharmaceutical, phase, preventing, prevention, production, reaction, research, science, scientist, side, site, symptoms, test, treatment, trial, usa, vaccination, vaccine, virus,