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Distribution of HIV-1 subtypes and sensitivity and specificity of assay with respect to clade
| Clade | No. of mothers | No. of babies with positive PBMCs | No. of babies with positive filter papers | Sensitivity by clade (%) | No. of babies with negative PBMCs | No. of babies with negative filter papers | Specificity by clade (%) |
|---|---|---|---|---|---|---|---|
| A | 73 | 43 | 42 | 98 | 30 | 30 | 100 |
| D | 20 | 15 | 15 | 100 | 5 | 5 | 100 |
| C | 6 | 4 | 3 | 75 | 2 | 2 | 100 |
