| 2000–2001 | 2016–2017 | ||||
---|---|---|---|---|---|---|
Tested | Human | HBI (%) | Tested | Human | HBI (%) | |
Nyabessan | ||||||
 An. gambiae | 18 | 18 | 100 | 92 | 69 | 75 |
 An. nili | 10 | 10 | 100 | 2 | 2 | 100 |
 An. moucheti | 56 | 56 | 100 | 13 | 13 | 100 |
 An. marshallii | 2 | 2 | 100 | – | – | – |
Olama | ||||||
 An. gambiae | 4 | 4 | 100 | 8 | 8 | 100 |
 An. nili | 186 | 186 | 100 | 3 | 3 | 100 |
 An. moucheti | – | – | – | 12 | 12 | 100 |
 An. paludis | – | – | – | 2 | 2 | 100 |