Ключевые слова: aids, bacillus, background, bacteria, bacterium, cell, contagion, danger, disease, ebola, epidemic, flu, germ, germs, green, healthcare, hiv, illness, infect, infection, influenza, lights, magnification, medical, medicine, microbe, microbes, microbiology, microorganism, microscopic, organic, organism, outbreak, science, sick, sickness, spreading, strain, symptom, symptoms, transmit, virus, yellow,