Answer 3
Mosquitoes are the vector in the following disorders
False a. onchocerciasis
False b. visceral leishmaniasis
False c. myiasis
False d. African trypanosomiasis
True e. Bancroftian filariasis
Table 3.1
Diseases and Vectors
Onchocerciasis
|
Simulium sp
|
Visceral leishmaniasis
|
Sandfly (Plebotomus or Lutzomyia) |
| Myiasis |
No vector |
African
Trypanosomiasis
|
Tsetse fly (Glossina) |
| Bancroftian filariasis |
Various mosquito species |
In myiasis the tumbu fly larva itself is the pathogen. The tumbu fly lays its eggs on clothing. When in contact with human skin, larvae hatch and burrow into the skin causing painful boils.
Table 3.2
Diseases with mosquito vectors
Disease |
Mosquito vector |
Malaria
|
Anopheles sp |
Dengue fever
|
Aedes aegypti |
Yellow fever
|
Aedes aegypti |
Viral haemorrhagic fevers
|
various species |
| Japanese encephalitis |
culex sp |
Mosquitoes are not thought to be vectors for HIV or Ebola virus.
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