Ключевые слова: air, airborne droplets, anxious, around, bacteria, common cold, concept, conceptual image, contagion, contagious, covid, danger, epidemic, face, feel, frown, giant scale, human, hypochondria, illness, influenza, lots, microcosm, multitude, pandemic, particles, pathogen, person, seasonal diseases, transfer, various, virus, viruses, visualization, woman, young,