Pathogenic infection with simian immunodeficiency virus (SIV), a relative of HIV that infects non-human primates, is associated with increased diversity of gastrointestinal virus species in rhesus macaques, according to findings published today (October 11) in Cell. Though previous work has implicated intestinal bacteria in stimulating chronic inflammation, which is believed to promote progression from HIV or SIV infection to AIDS, the new findings suggest that gut viruses may also play a role.
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