Answer 44 Parasites and their vectors
The following are correctly paired:
False a. Schistosoma haematobium: Biomphalaria ssp
False b. Onchocerca volvulus: Culex quinquefasciatus
True c. Loa loa: Chrysops dimidiata
True d. Borrelia duttoni (relapsing fever): soft tick (Ornithodorus moubata
True e. Rickettsia tsutsugamushi: tromboculid mite
Table 44.1
| Schistosomiasis vectors |
| Schistosoma mansoni |
Biomphalaria ssp |
| Schistosoma haematobium |
Bulinus ssp |
| Schistosoma japonicum |
Oncomelania ssp |
Table 44.2
| Onchocerciasis vectors |
| West African |
Simulium damnosum |
| East Africa |
Simulium naevei |
Table 44.3
| Rickettsial vectors |
| Disease |
Causative organism |
Vectors |
| scrub typhus |
R. tsutsugamushi |
trombiculid mite |
| murine typhus |
R. mooseri |
Xenopsylla cheopis |
| epidemic typhus |
R. prowazeki |
Pediculus humanus (body louse) |
| African tick typhus |
R. conori |
hard ticks |
