Researchers have identified two genetically distinct types of HIV in the cerebrospinal fluid (CSF) of patients with HIV-associated dementia.
The discovery may help explain why the risk of developing neurological difficulties increases as AIDS patients live longer, and may also help predict which patients are at greatest risk for the problem, according to the U.S. scientists.
They said the two newly-identified HIV types aren't being detected in HIV that circulates in a patient's blood, and one type may be present cerebrospinal fluid years before the onset of HIV-linked dementia.
[...]
Complete article at USA Today : http://usat.ly/q9Tfji



