Ключевые слова: art, background, bacteria, biology, black, cell, contour, corona, coronavirus, covid19, disease, epidemic, flu, guard, health, human, icon, illness, illustration, immune, infection, influenza, isolated, line, linear, lineart, medical, medicine, micro, microbe, microbiology, microscopic, ncov, organism, outline, pandemic, pathogen, protect, protection, safety, science, security, shield, symbol, system, virus, white,