A 22-year-old man with fever and joint pain is found to have atypical lymphocytes on his blood smear. Further evaluation shows that his condition is caused by an enveloped virus containing partially double-stranded circular DNA. An enzyme packed in its virion has RNA-dependent DNA-polymerase activity. This patient is most likely infected with which of the following viruses?

Question

A 22-year-old man with fever and joint pain is found to have atypical lymphocytes on his blood smear.  Further evaluation shows that his condition is caused by an enveloped virus containing partially double-stranded circular DNA.  An enzyme packed in its virion has RNA-dependent DNA-polymerase activity.  This patient is most likely infected with which of the following viruses?

Quizplus · Accepted Answer

Eductional Objective: Replication of the hepatitis B genome occurs within a newly synthesized capsid through the action of reverse transcriptase on an RNA template.  The mature capsid contains partially double-stranded circular DNA and reverse transcriptase.

A 22-Year-Old Man with Fever and Joint Pain Is Found