Ukusetshenziswa kweizibulala-zinambuzaneekhaya kungaba nomthelela omkhulu ekuthuthukiseni ukumelana nomiyane abaphethe izifo futhi kunciphise ukusebenza kahle kwezibulala-zinambuzane.
Izazi ze-Vector biology ezivela e-Liverpool School of Tropical Medicine zishicilele iphepha ku-Lancet Americas Health eligxile emaphethini okusetshenziswa kwezibulala-zinambuzane emakhaya emazweni angu-19 lapho izifo ezithwalwa yizilwane ezinjengomalaleveva nodenga zivamile.
Nakuba ucwaningo oluningi lubonise ukuthi izinyathelo zezempilo zomphakathi kanye nokusetshenziswa kwezibulala-zinambuzane zezolimo zifaka isandla kanjani ekuthuthukisweni kokumelana nezibulala-zinambuzane, ababhali balo mbiko baphikisa ngokuthi ukusetshenziswa kwasekhaya nomthelela wako kuhlala kungaqondakali kahle. Lokhu kuyiqiniso ikakhulukazi uma kubhekwa ukwanda kokumelana nezifo ezithwalwa ngama-vector emhlabeni wonke kanye nosongo eziwubekayo empilweni yabantu.
Iphepha eliholwa nguDkt Fabricio Martins libheka umthelela wezibulala-zinambuzane zasendlini ekuthuthukisweni kokumelana nomiyane i-Aedes aegypti, kusetshenziswa iBrazil njengesibonelo. Bathole ukuthi imvamisa yokuguqulwa kwe-KDR, okubangela ukuthi omiyane be-Aedes aegypti bangazweli ezinambuzaneni ze-pyrethroid (evame ukusetshenziswa emikhiqizweni yasendlini nempilo yomphakathi), cishe iphindwe kabili eminyakeni eyisithupha ngemva kokuba igciwane leZika lethule izibulala-zinambuzane zasendlini emakethe eBrazil. Ucwaningo lwaselabhorethri lubonise ukuthi cishe amaphesenti angu-100 omiyane abasinda ekuchayekeni ezibulala-zinambuzane zasendlini babe nezinguquko eziningi ze-KDR, kuyilapho labo abafayo abazange baphile.
Ucwaningo luphinde lwathola ukuthi ukusetshenziswa kwezibulala-zinambuzane zasendlini kusabalele, cishe i-60% yezakhamuzi ezindaweni ezingu-19 ezihlala njalo zisebenzisa izibulala-zinambuzane zasendlini ukuze zizivikele.
Baphikisa ngokuthi ukusetshenziswa okunjalo okubhalwe kabi nokungalawulwa kunganciphisa ukusebenza kahle kwale mikhiqizo futhi kuphinde kube nomthelela ezinyathelweni ezibalulekile zezempilo zomphakathi ezifana nokusetshenziswa kwamanethi afakwe izibulala-zinambuzane kanye nokufuthwa kwensalela kwezibulala-zinambuzane.
Ucwaningo olwengeziwe luyadingeka ukuze kuhlolwe imiphumela eqondile nengaqondile yezibulala-zinambuzane zasendlini, ubungozi kanye nezinzuzo zazo empilweni yabantu, kanye nemithelela yezinhlelo zokulawula ama-vector.
Ababhali balo mbiko baphakamisa ukuthi abenzi benqubomgomo bathuthukise isiqondiso esengeziwe mayelana nokuphathwa kwezibulala-zinambuzane ekhaya ukuze kuqinisekiswe ukuthi le mikhiqizo isetshenziswa ngempumelelo nangokuphepha.
UDkt Martins, umcwaningi we-vector biology, uthe: “Le phrojekthi ikhule ngedatha yasensimini engiyiqoqile ngenkathi ngisebenza eduze nemiphakathi yaseBrazil ukuthola ukuthi kungani omiyane be-Aedes beqala ukumelana, ngisho nasezindaweni lapho izinhlelo zezempilo zomphakathi zaziyekile ukusebenzisa i-pyrethroids.
”Ithimba lethu linweba ukuhlaziya ezifundazweni ezine ezisenyakatho-ntshonalanga yeBrazil ukuze liqonde kangcono ukuthi isibulala-zinambuzane sasendlini kushayela kanjani ukukhethwa kwezinqubo zofuzo ezihlobene nokumelana ne-pyrethroid.
"Ucwaningo lwesikhathi esizayo mayelana nokumelana phakathi kwezibulala-zinambuzane zasendlini nemikhiqizo yezempilo yomphakathi luzobalulekile ekuthathweni kwezinqumo okusekelwe ebufakazini nasekuthuthukisweni kwemihlahlandlela yezinhlelo ezisebenzayo zokulawula ama-vector."
Isikhathi sokuthumela: May-07-2025