<prompt> Translate the following text to EnglishWanafunzi wa utafiti wa prion wanaamini kwamba virusi vinaweza kuwa vitu vinavyosababisha maambukizi na kwamba virusi vinaweza kuwa vitu vinavyosababisha maambukizi.  <response>: Some of his fellow prion researchers suggest it might be a viral co-factor, which is doublespeak for saying that the prion aint the infectious agent, a virus is. 