Table 5. Transmission assessment survey (TASa) results from 11 evaluation units (EUs) in 8 districtsb in in Sri Lanka.
| Evaluation Unit | Population size/EU | Number of primary grade schools included | Number of primary grade children tested | Number of children positive for filarial antigenemiac |
| Colombo-RDHS | 1,761,010 | 30 | 1716 | 2 (0.12, 0.03–0.4) |
| Colombo-city | 557,356 | 30 | 1555 | 2 (0.13, 0.04–0.4) |
| Gampaha I | 898,731 | 30 | 1642 | 1 (0.06, 0.01–0.3) |
| Gampaha II | 1,426,944 | 30 | 1462 | 0 (0) |
| Kalutara | 1,237,676 | 30 | 1585 | 4 (0.3, 0.10–0.6) |
| Galle I | 719,911 | 31 | 1557 | 7 (0.45, 0.22–0.9) |
| Galle II | 347,027 | 31 | 1543 | 0 (0) |
| Matara | 815,625 | 30 | 1591 | 0 (0) |
| Puttalam | 766,469 | 30 | 1583 | 0 (0) |
| Kurunegala | 1,629,958 | 35 | 1692 | 0 (0) |
| Hambantota | 607,404 | 30 | 1553 | 0 (0) |
| Total | 10,768,112 | 337 | 17479 | 16 (0.1, 0.06–0.1) |
a
The critical cutoff value for assessing interruption of transmission was 18 in all EUs.
b
The 8 endemic districts were MDA implementation units.
c
BinaxNOW Filariasis tests were used for detection of filarial antigenemia. Data shown are the number of positive tests (% positive and 95% CI).