Fly CC - mutakuri chirwere chinouraya

About nhunzi kupfuura ngozi anozivikanwa dzose wechikoro. CC Fly anogara pachigaro kondinendi African. Zvino, makore 150 zvinotyisa vomunzvimbo uye mhuka. Mune dzimwe nzvimbo, vanhu kukanda yakaorera rabha uye kuenda kune dzimwe nzvimbo. In idzi hapana kuipa bloodsuckers pane kubhururuka CC. Chii iye mhosva, kana chokwadi haina emit pachako muchetura yaro? Chikonzero chikuru kuti nzufu ezviuru zvevanhu - ngozi chisvetasimba trypanosomes, iyo anotakura Tupukanana ichi.

Sei munhu nhunzi CC

Zvatinosiita chimiro, kuda kufanana hwehungoya nhunzi, uyewo ine yayo nevamwe zvinhu. On musoro wake pane proboscis refu, iyo anobvumira vakadzi kuruma kuburikidza ganda vanhu nemhuka uye uchidzidza ropa. Translucent mapapiro kuti peta kukwira sandara hurumende kana nhunzi woga. At pasi kwezvinhu pfumbu dumbu, uye pamusoro - yellow, ina longitudinal rima namavanga dziri pamusoro dzvuku pazamu. The mukuru Nhunzi CC, uko kunomiririrwa pikicha kumusoro, nokuti upenyu anochengetera kusvika 10 mazana, izvo, wakawira pasi, burrow uye pupate kuti maawa mashoma.

Unopinda sei utachiona

Process kusvibiswa hakudzivisiki, kana IC achibhururuka kanenge kamwe vakadya vatakuri ropa trypanosomiasis (kana "vakarara chirwere"). Maererano masayendisiti, mhosva dzomusango antelopes uye dzimwe mhuka, vanorarama muropa chisvetasimba ichi. Uye mhuka pachavo kubva chirwere ichi hamufi. Sleeping chirwere haisi pakarepo. Chokutanga, murwere anonzwa utera, kurukutika, kuchinja kuitika nechepakati tsinga. Munhu nokuneta, kazhinji anorasikirwa kuziva uye chikawira nehope semiconscious, pane nemicherechedzo pamuviri wake, ipapo meningoencephalitis kukura, rufu kunoitika somugumisiro. Uye varege kufa chete vanhu zvizvarwa. Hwakawanda vashanyi Ndadzoka kubva Africa vakawana pachavo utachiona pamwe vakarara nokurwara.

For mombe ngadzibhururuke IC haidereri ngozi. By rufu mutobvu chirwere mhuka - repfuti, rinova kutakurwa izvi kuteura ropa nezvipembenene. Maererano inosuruvarisa nokuongorora kwakaitwa tsetse vanobhururuka ikaruma vanofa gore negore mamiriyoni 3 nemombe.

Masayendisiti vari kutsvaka nzira

Vagari Africa uye Australia, uko bloodsucker mupenyu, vaimirira kununurwa kubva pangozi. Asi kuti musi hapana mushonga kuti "chirwere vakarara" kana nzira kuparadza tsetse nhunzi. Trypanosomes kuzvibata kwazvo rinopikisa mumuviri womunhu, ivo mutate uye mutate, saka hazvibviri kuuraya kunotouraya zvose chete zvinodhaka. Akaparadza tupukanana wandei, uye vamwe mberi zvokurarama nazvo zvavo.

High tariro masayendisiti akaisa nzira itsva kuderedza Vagari ari tsetse nhunzi. Fly nemudzimai nomunhurume kamwe chete muupenyu. Kuziva zvakakurumbira yakadaro, vatsvakurudzi vakasarudza kusunungura kupinda dzomusango, mamiriyoni sterilized varume. Kuti vaite izvi, vakati zvikuru akatunhidzwa uye irradiated pamwe nemwaranzi. Female, aiwanzopiwa wokushanda kamwe, kuti ngaarege pachako nomunhurume, asiwo berekai vana havazokwanisi. nzira iyi, maererano nenyanzvi, achabvisa Vatakuri nehasha dzakaipisisa. Uye anenge makore mashoma vanobhururuka CC vachanyangarika pachiso panyika.