Table 2.
Characteristics of the seven sentinel communities in Esmeraldas Province, Ecuador selected to evaluate the impact of ivermectin treatment on O. volvulus infection
Community | Location/endemicity | Ivermectin treatments | Mean treatment coverage % (range) | |||
Treatment eligible* | Annual | Twice annual | Treatments | |||
Corriente | Río Cayapas/Hyperendemic | 173 | 1991- 1995 | 1992–1994 | 21 | 86.1 (19.1–99.4) |
Grande | 1997 | 1998–1999 | ||||
2000 | 2001–2003 | |||||
El Tigre | Río Cayapas/Hyperendemic | 121 | 1996–1997 | 1998–1999 | 13 | 94.4 (82.3–100) |
2000 | 2001–2003 | |||||
San Miguel | Río Cayapas/Hyperendemic | 175 | 1996–1997 | 1998–1999 | 13 | 91.8 (85.7–97.9) |
2000 | 2001–2003 | |||||
Playa de | Río Santiago/Hyperendemic | 236 | 1990 | 1991–1992 | 19 | 93.3 (81.8–100) |
Oro | 1993–2000 | 2001–2003 | ||||
Guayabal | Río Santiago/Hyperendemic | 101 | 1990 | 1991–1992 | 19 | 84.7 (64.4–100) |
1993–2000 | 2001–2003 | |||||
Angostura | Río Santiago/Hyperendemic | 72 | 1992–2000 | 1991 | 19 | 89.4 (75.9–100) |
2001–2003 | ||||||
Naranjal | Río Canandé/Mesoendemic | 491 | 1994–2000 | 1991–1993 | 19 | 83.9 (48.5–96) |
2001–2003 |
*Data from 2004 census.