Ka dibna ka jawaab su'aasha ka dibna afka la mid ah sida marinka: Passage: Viruses are an established cause of cancer in humans and other species. Viral cancers occur only in a minority of infected persons (or animals). Viruses kansarka ka yimaadaan tiro ka mid ah qoysaska virus, oo ay ku jiraan labada RNA iyo DNA fayrusyada, oo sidaas daraaddeed ma jiro nooc ka mid ah "oncovirus" (eray waayey asal ahaan loo isticmaalo retroviruses si degdeg ah beddelo). Horumarinta kansarka waxaa lagu go'aamiyaa noocyo kala duwan oo ah arrimaha sida difaaca martida iyo isbeddelada ee martida. Fayrusyada la aqbalo in ay sababaan kansarka aadanaha waxaa ka mid ah qaar ka mid ah genotypes of human papillomavirus, hepatitis B virus, hepatitis C virus, Epstein <unk>Barr virus, Kaposi's sarcoma-associated herpes virus iyo human-lymphotropic virus. kansarka ugu dambeeyay ee la ogaaday waa fayraska kansarka unugyada badan ee aadanaha (Merkelomavirus
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