As screening tool for HIV-1 infection, anti HIV-1 ELISA kit with high sensitivity was proved to be very efficient. Because of its high sensitivity, the use of the kit to screen HIV-1 infection in low risk individuals or in seroprevalence study in population of non-endemic area will reduce its specificity. Therefore, there will be many false positive results which, in turn, will give psychososia…
A new rapid-test, sandwich immunochromatography assay technique has been recently introduced for the routine, rapid, qualitative detection of the resence hepatitis-B surface antigen (HBsAG). To evaluate the sensitivity of rapid test, we studied 39 sera positive and one sera negative for HBsAg with conventional ELISA method. The study found that the minimal detectable level of HBsAg with rapid t…