Testing
for AIDS - 5
Detection and Diagnosis of HIV-1
infections:
eAntibody detection
eAntigen detection
ŽELISA test used as screening test
ŽWestern blot test used as confirmatory test
to detect:
wanti-p24
wanti-p31
wanti-p41
2 out of 3 must be present for a positive diagnosis
ŽQualitative detection
ŽQuatification of HIV
wuses amplification of HIV DNA by PCR
wused to detect HIV-1 in newborns prior to
Ab=s being produced
wuses NASBA to establish viral load
wused to monitor patient progress or threat
to fetus
