Ключевые слова: background, biology, brush, care, clean, cleaning, closeup, color, coronavirus, cov, covid19, design, disease, domestic, experiment, female, health, health alert, healthy, home, housework, human, hygiene, illness, importance, important, infection, influenza, medical, medicine, pandemic, people, person, prevent, prevention, respiratory, safe, safety, sanitary, science, scientific, soap, soaped, syndrome, virus, wash, washing, water, wet, white,