Ключевые слова: bacteria, biological cell, biology, blood, blue background, cancer illness, color image, condition, contagious, digitally generated image, disease, flu, futuristic, glowing, health, healthcare and medicine, horizontal, human, illness, illustration, immune system, improvement, infection, infectious, laser, medical, medicine, microbiology, microscopic, no people, pandemic, particle, pneumonia, progress, protection, respiratory, risk, robot, science, sickness, vertical, virus,