Figure 7. Stages of Primary HIV Infection Based on Laboratory Tests
*EIA-enzyme immunoassay
#Indeterminate Western blot: presence of HIV-1 specific bands that fail to meet criteria established by US FDA for positive HIV as reactivity to two of the following three bands: p24, gp41, gp120/160
This table is based on data from Fiebig EW, Wright DJ, Rawal BD, et al. Dynamics of HIV viremia and antibody seroconversion in plasma donors: implications for diagnosis and staging of primary HIV infection. AIDS. 2003;17:1871-9.
From: HIV Web Study <www.hivwebstudy.org>