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Counts and percentages of individuals in each cohort (N=20,928,656)a.
| Cohort | Count, n (%) |
| People living with HIV (confidence levels 1-3) | 152,282 (0.7) |
| People not living with HIV | 20,639,675 (98.6) |
| PrEPb users | 36,088 (0.2) |
| PEPc users | 4120 (0) |
| Uncertain classification | 96,491 (0.5) |
aCount for the entire National Clinical Cohort Collaborative.
bPrEP: preexposure prophylaxis.
cPEP: postexposure prophylaxis.
