Ключевые слова: angina, asymptomatic, asymptomatic infection, body, cancer, contagious, contagious disease, coronavirus, covid19, dermatosis, disease, epithelial, flagella, haemorrhagic cystitis, health, hyperplasia, impotence, infection, infection source, infectious, infectious disease, inflammation, influenza, leukoencephalopathy, medical, medicine, merkel cell cancer, microbe, microorganism, molecular, nephropathy, oncogenic, oncology, papovaviridae, pathogenic bacterium, polyomavirus, polyomavirusassociated, prostatitis, sickness, syphilis, thrombosis, trichodysplasia spinulosa, trichomonas, tumor, unhealthy, virology,