Agriculture & Biology
onchocerciasis
87%
peasantry
83%
skin diseases
77%
agricultural land
61%
Nigeria
61%
farmers
44%
economic impact
22%
economic regions
17%
motorcycles
16%
pruritus
14%
local government
14%
skin lesions
13%
signs and symptoms (animals and humans)
9%
income
9%
signs and symptoms (plants)
8%
rivers
8%
iron
7%
farms
7%
Medicine & Life Sciences
Onchocerciasis
91%
Farmers
74%
Farms
72%
Nigeria
66%
Skin Diseases
61%
Forests
25%
Economics
24%
Signs and Symptoms
18%
Motorcycles
14%
Local Government
14%
Rivers
12%
Pruritus
10%
Iron
8%
Income
8%
Skin
5%
Control Groups
5%
Social Sciences
skin disease
100%
peasant
66%
farm
58%
farmer
56%
Nigeria
55%
motorcycle
13%
economic impact
11%
river
10%
WHO
9%
social effects
9%
social economics
9%
income
7%
threat
6%
Group
6%
economics
4%