TABLE 2.
End point titration of HIV-infected cell culture supernatants
| Culture supernatant | Highest reciprocal dilution with a positive result in:
|
|||
|---|---|---|---|---|
| HIV DUO | HIV Combi | HIV-1 Ag monoclonal | Calculated p24 Ag concn (pg/ml) | |
| HIV-1 subtype C | 5,120 | 640 | 5,120 | 97,000 |
| HIV-1 subtype E | 5,120 | 1,280 | 1,280 | 138,000 |
| HIV-1 subtype F | 2,560 | 640 | 5,120 | 176,000 |
| HIV-1 subtype G | 10,240 | 2,560 | 10,240 | 330,000 |
| HIV-1 subtype H | 2,560 | 640 | 5,120 | 147,000 |
| HIV-1 subtype A/A (92UG029) | 1,000 | <500 | 2,000 | 60,000 |
| HIV-1 subtype A/D (92UG035) | 1,000 | 500 | 2,000 | 23,000 |
| HIV-1 subtype A/D (92UG021) | 500 | 500 | 500 | 23,000 |
| HIV-1 subtype C/A (92RW009) | 500 | 500 | 500 | 21,500 |
| HIV-1 subtype E/A (92UG029) | 600 | 150 | 300 | 2,400 |
| HIV-1 subtype O (FAN) | 2,000 | 1,000 | 2,000 | 22,000 |
| HIV-1 subtype O (POC) | 4,000 | 1,000 | 2,000 | 65,000 |
| HIV-1 subtype O (LOB) | 4,000 | 1,000 | 4,000 | 43,000 |
| HIV-2 (MS/U937) | 50 | <50 | <50 | NDa |
| HIV-2 (ABI NIH-Z) | 2,000 | 8,000 | <500 | NDa |
a
ND, not determined.