Ключевые слова: alien, art, atom, bacteria, biology, black, corona, coronavirus, covid, covid19, danger, disease, epidemic, fever, flu, futuristic, healthcare, horizontal, illness, infection, influenza, laboratory, medical, medicine, microbiology, model, pandemic, particle, pathogen, plastic, pneumonia, poisonous, professional, quarantine, reflection, science, sick, single, sphere, symmetry, virus,