Ключевые слова: abstract, airborne, antibacterial, background, bacterial, bacterium, banner, biohazard, blue, cell, comparison, concept, corona, coronavirus, covid, covid19, danger, disease, disinfect, epidemic, flu strain, germs, health, infection, infectious, medical, model, movement, outbreak, pandemic, pattern, pink, pneumonia, poisonous, prevention, protection, save, science, seamless, seamless pattern, spa, spread, texture, virology, virus, virus spread,