Skip to main content

Table 3 Human blood index (95 % BCI) by locality, season, trapping method (Bellec and vector collector only) and blackfly species, Ghana

From: Onchocerciasis transmission in Ghana: the human blood index of sibling species of the Simulium damnosum complex

Region

Village

Season

Trapping method

Total S. damnosum (s.l.)

S. damnosum (s.s.)/S. sirbanum

S. soubrense Beffa form

S. squamosum a

S. yahense

S. sanctipauli Pra form

Brong-Ahafo

Asubende

Dry February 2011

Bellec

0.63 (0.54, 0.70)

0.63 (0.54, 0.70)

na

na

na

na

Vector collector

0.70 (0.56, 0.82)

0.70 (0.56, 0.82)

na

na

na

na

Agborlekame

Dry February 2011

Bellec

0.33 (0.01, 0.77)

0.33 (0.01, 0.77)

na

na

na

na

Vector collector

na

na

na

na

na

na

Volta

Asukawkaw Ferry

Wet August 2009

Bellec

0.36 (0.14, 0.60)

0.33 (0.01, 0.77)

1.00 (0.23, 1.00)

0.25 (0.00,0.65)

na

na

Vector collector

1.00 (0.23, 1.00)

1.00 (0.23, 1.00)

na

na

na

na

Dry March 2010

Bellec

0.67 (0.43, 0.87)

1.00 (0.23, 1.00)

na

0.58 (0.32, 0.83)

na

na

Vector collector

0.67 (0.59, 0.74)

0.44 (0.32, 0.58)

0.75 (0.45, 0.97)

0.82 (0.73, 0.90)

na

na

Dry February 2011

Bellec

1.00 (0.77, 1.00)

1.00 (0.23, 1.00)

1.00 (0.23, 1.00)

1.00 (0.69, 1.00)

na

na

Vector collector

1.00 (0.98, 1.00)

1.00 (0.92, 1.00)

1.00 (0.43, 1.00)

1.00 (0.98, 1.00)

na

na

Dodi Papase

Wet August 2009

Bellec

1.00 (0.74, 1.00)

1.00 (0.23, 1.00)

na

1.00 (0.69, 1.00)

na

na

Vector collector

na

na

na

na

na

na

Dry March 2010

Bellec

0.67 (0.23, 0.99)

na

na

0.67 (0.23, 0.99)

na

na

Vector collector

0.99 (0.95, 1.00)

1.00 (0.56, 1.00)

1.00 (0.23, 1.00)

0.98 (0.94, 1.00)

na

na

Dry February 2011

Bellec

na

na

na

na

na

na

Vector collector

1.00 (0.97, 1.00)

1.00 (0.74, 1.00)

na

1.00 (0.97, 1.00)

na

na

Pillar 83/ Djodji

Dry March 2010

Bellec

0.53 (0.46, 0.60)

0.75 (0.35, 1.00)

na

0.53 (0.46, 0.60)

na

na

Vector collector

1.00 (0.98, 1.00)

1.00 (0.43, 1.00)

na

1.00 (0.98, 1.00)

na

na

Dry February 2011

Bellec

0.78 (0.70, 0.84)

0.69 (0.44, 0.90)

na

0.79 (0.71, 0.85)

na

na

Vector collector

0.98 (0.96, 0.99)

1.00 (0.56, 1.00)

1.00 (0.23, 1.00)

0.98 (0.96, 0.99)

na

na

Western

Bosomase

Wet August 2009

Bellec

0.85 (0.68, 0.97)

na

na

na

na

0.85 (0.68, 0.97)

Vector collector

0.63 (0.42, 0.83)

na

na

na

na

0.63 (0.42, 0.83)

Dry February 2010

Bellec

0.86 (0.76, 0.94)

na

na

na

na

0.86 (0.76, 0.94)

Vector collector

1.00 (0.84, 1.00)

na

na

na

na

1.00 (0.84, 1.00)

Ashanti

Gyankobaa

Wet August 2009

Bellec

0.10 (0.04, 0.16)

0.09 (0.00, 0.31)

na

0.25 (0.00, 0.65)

0.00 (0.00, 0.26)

0.10 (0.04, 0.18)

Vector collector

0.47 (0.42, 0.53)

0.53 (0.30, 0.76)

na

0.50 0.26, 0.74)

na

0.46 (0.40, 0.53)

  1. Abbreviation: na not available
  2. a S. squamosum C in Pillar 83/Djodji, Dodi Papase and Asukawkaw Ferry; S. squamosum E in Gyankobaa