Table 3 The effect of anti-PfHRP2 antibodies on the detection of soluble PfHRP2 by RDTs
Culture supernatant | First response | SD | ICT | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
No Ab | Normal plasma | S14 | S14 1:5 | No Ab | Normal plasma | S14 | S14 1:5 | No Ab | Normal plasma | S14 | S14 1:5 | |
Undiluted | 4 | 4 | 0 | 1 | 4 | 4 | 0 | 2 | 4 | 4 | 4 | 4 |
1:2 | 4 | 4 | 0 | 0 | 4 | 4 | 0 | 0 | 4 | 3 | 3 | 2 |
1:4 | 4 | 2 | 0 | 0 | 3 | 3 | 0 | 0 | 3 | 2 | 1 | 1 |
1:8 | 1 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 2 | 1 | 1 | 1 |
1:16 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
1:32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
1:64 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
1:128 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |