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submitted by usmleuser007(126),

1) EBV = Burkitt lymphoma, Hodgkin lymphoma, nasopharyngeal carcinoma, 1° CNS lymphoma (in immunocompromised patients)

2) HBV & HCV = Hepatocellular carcinoma

3)HHV-8 = Kaposi sarcoma

4) HPV= Cervical and penile/anal carcinoma (types 16, 18), head and neck cancer

5) H. pylori = Gastric adenocarcinoma and MALT lymphoma

6) HTLV-1 = Adult T-cell leukemia/lymphoma

7) Liver fluke (Clonorchis sinensis) = Cholangiocarcinoma

8) Schistosoma haematobium = Bladder cancer (squamous cell)

some0217710  Aren’t both H.pylori and EBV associated with gastric lymphoma? +1  


submitted by welpdedelp(74),

Ok, so RNA dependent DNA polymerase is for reverse transcriptase... single stranded + use RNA dependent RNA polymerase. Can someone explain?

hyoid  The only thing I can think of is that HIV is a (+)-sense single-stranded RNA virus that relies on an RNA dependent DNA polymerase (reverse transcriptase) to synthesize DNA. +  
haliburton  according to [medbullets link](https://step1.medbullets.com/step1-microbiology/104196/rna-viruses_) ns ss RNA must carry RNA dependent RNA polymerase (so that is out). also, according to medbullets there are very few ds RNA viruses, so "most likely" will be ss. Also, RNA-dependent DNA polymerase = Reverse Transcriptase. Since HIV is a ss ps RNA virus with RT, they've described an HIV cousin. not sure beyond this. +  
some0217710  Can’t think of any retroviruses outside of HIV and HTLV and they’re both +ssRNA +