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Table 1 Characteristics of ivermectin mass distribution in the 119 comunities endemic for onchocerciasis in Ecuador

From: Impact of long-term treatment of onchocerciasis with ivermectin in Ecuador: potential for elimination of infection

Location/endemicity Ivermectin treatments Mean treatment coverage % (range)
  No. of communities Year of first treatment No. treatments Median (range)  
Río Cayapas:     
   Hyperendemic 31 1991–1996* 22 (13–22) 84.8 (49.9–95.3)
   Mesoendemic 9 1991 16 (16–16) 86.7 (74.2–97.7)
   Hypoendemic 7 1991–1993 16 (14–16) 84.7 (71.0–94.4)
Río Onzole:     
   Hyperendemic 3 1991–1992 16 (15–17) 84.5 (63.4–98.1)
   Mesoendemic 1 1991 16 90.3 (72.7–100)
   Hypoendemic 13 1991–1993 15 (15–16) 87.2 68.5–97.2)
Río Santiago:     
   Hyperendemic 8 1990–1991† 19 (17–19) 90.7 (78.1–98.7)
   Mesoendemic 4 1990 18 (17–19) 87.7 (65.4–99.0)
   Hypoendemic 23 1990–1991 16 (16–17) 88.9 (81.1–100)
Satelite foci:     
   Mesoendemic 9 1991–1993 18 (14–19) 83.2 (37.3–97.9)
   Hypoendemic 11 1990–1997 13 (11–17) 89.9 (48.7–98.4)
  1. *In the Río Cayapas first treatments with ivermectin were provided in the hyperendemic communities in the following years: 1991 (23 communities), 1992 (1), 1995 (1), and 1996 (6). †In the Río Santiago first treatments with ivermectin were provided in the hyperendemic communities in the following years: 1990 (7 communities) and 1991 (1 community).