Ключевые слова: airborne, antibacterial, autumn, bacteria, bark, biology, birch, birch bark, botany, calmness, closeup, danger, death, disease, disinfection, disposable, distance, epidemic, finger, forest, glove, hand, health, hugs, infection, isolation, latex, left, medicine, microorganism, nature, outdoors, pandemic, prevention, protection, protects, quarantine, recommendations, reliable, right, romantic, rubber, safety, science, tree, trunk, virology, virus,