Ключевые слова: 19, abstract, aids, background, biology, blood, blue, body, cancer, cell, chinese, closeup, corona, coronavirus, covid, covid19, disease, epidemic, flu, germ, h1n1, health, hepatitis, hiv, human, illness, infection, influenza, macro, medical, medicine, micro, microbe, microbiology, microscope, microscopic, nucleus, organic, organism, outbreak, research, sars, science, scientific, sickness, technology, viral, virology, virus,