Studies on individuals with<unk>  with two strains of HIV showed a poorer prognosis.<unk>  is correlated with a faster progression of the HIV infection. Patients in studies have displayed a shorter lag between seroconversion and experiencing an AIDS-defining clinical condition or death. However, it is unclear whether this rapid conversion is a direct effect of<unk> , or a result of a weaker immune response to the virus caused by<unk> .
HIV superinfection
Hepatitis C and HIV coinfection
Epstein–Barr virus infection
Tuberculosis in relation to HIV
HIV/AIDS
Nipah virus infection
HIV-tainted blood scandal 
Risk factors for tuberculosis