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Table 2 Characteristics of the seven sentinel communities in Esmeraldas Province, Ecuador selected to evaluate the impact of ivermectin treatment on O. volvulus infection

From: Impact of long-term treatment of onchocerciasis with ivermectin in Ecuador: potential for elimination of 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   
  1. *Data from 2004 census.