12040
A few viruses, like the Herpesviruses or the papillomaviruses , however, have developed a sophisticated strategy for persisting lifelong, usually asymptomatically in the host, hiding from the immune system and producing infectious progeny at the same time.
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Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
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