Clinical Research Directory

Inclusion Criteria: A) acute HIV-1 infection, defined as: * negative or evolving immunoblot in the presence of positive p24 Ag and/or detectable plasma HIV-1 RNA and/or * documented HIV seroconversion within 90 dayswith or with-out symptoms and/or clinical signs of PHI (e.g. acute retro-viral syndrome). B) recent HIV-1 infection, defined as: * documented seroconversion of more than 90 days but within 180 days and/or * evolving immunoblot after unambiguous transmission risk (e.g. iv drug use, sexual contact) within 180 days and/or * documented HIV infection and unambiguous transmission risk (iv drug use, sexual contact) within 180 days and/or * documented HIV infection and possible transmission risk (iv drug use, sexual contact) within the last 180 days after infection AND \< 0.5% fraction of ambiguous nucleotides Exclusion Criteria: • Documented HIV infection, however, established diagnosis more than 180 days after presumed date of infection.