da masallaci Su ne ɗayan ƙwayoyin cuta masu ban haushi a can, kuma ɗayan mafiya haɗari. Akwai kimanin nau'ikan 3200, 200 daga cikinsu suna cin jinin wasu dabbobi, kuma daga cikin wadannan 200 akwai da yawa, kamar su Aedes albopictus (Sauro Tiger sauro) ko Anopheles gambiae, masu dauke da cututtuka masu saurin kisa.
Yayinda yanayin duniya ke tashi wadannan kwari Suna mallakar yankunan da, har zuwa yanzu, sun kasance masu sanyi sosai a gare su.
Sauro yana buƙatar ruwa ne kawai, zafi da kuma hanyar safara don yaɗuwa. Tare da tafiye-tafiye na ƙasashen duniya, ɗumamar yanayi da haɓakar hanyoyin tafiye-tafiye, suna da sauƙi a sauƙaƙe; yayi yawa sosai. Cutar Dengue da cututtukan zazzaɓi sun ɗauki ƙarni uku da suka gabata don yadawa a duniya, amma Chinkungunya, Kwayar Yammacin Nile da Zika suna da shekaru 16, Bill Gates yayi bayani a cikin shirin gaskiya »Mosquito» wanda Channel na Discovery ya gabatar yau, Alhamis 6 ga watan Yuli, 2017 da karfe 22.00 na dare.
A halin yanzu, akwai kimanin mutane biliyan 2500 da ke rayuwa cikin kamuwa da yiwuwar barkewar cutar Zika, kwayar cutar da aka gano a cikin wani gandun daji na Uganda a cikin 1947. Duk da lokacin da ya wuce, babbar matsala ce ga ƙasashe kamar su Brazil, Puerto Rico ko Amurka.
Har zuwa yanzu, ƙwai da larvae sun mutu a lokacin hunturu ta hanyar daskarewa, musamman a ƙasashen arewacin duniya; Koyaya, hauhawar yanayin zafi na basu damar tsira cikin watanni masu sanyi, saboda haka suna ninka cikin sauri.
Yakin yana da alama ya yi nisa. Saboda karuwar da sauro ke yiwa magungunan kashe kwari, wasu kamfanoni kamar su Oxitec sun fara yiwa maza allura da "kwayar halitta mai kashewa" wanda ke haifar da mutuwar zuriya bayan gamawa da mata, wadanda sune zasu iya yada cututtuka. Shugaban kamfanin, Hadyn Parry, ya ce yawan mutanen Aedes aegypti cewa sun yi amfani da shi a cikin gwajin ya ragu da 82%, wanda hakika yana da ban sha'awa sosai.
Muna fatan cewa a cikin fewan shekaru kaɗan muna iya samun samfurin da ke da tasirin gaske ga, aƙalla, sarrafa su.