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Mai yaduwar cuta

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Mai yaduwar cuta
Bayanai
Ƙaramin ɓangare na organism (en) Fassara da source of infection (en) Fassara
Fuskar epidemiology (en) Fassara
Handled, mitigated, or managed by (en) Fassara vector control (en) Fassara

A cikin ilmin annoba, mai ɗaukar cuta shine kowane wakili mai rai [1] wanda ke ɗauke da watsa kwayar cuta mai kamuwa kamar kwayar cuta ko kwayar cuta, zuwa wani abu mai rai. [2] Yawancin sanannun vectors, kamar sauro, ticks, da wasu kwari sun dogara da ciyar da jini kuma suna iya samun ko wucewa akan pathogens a lokacin wannan tsari.[3] Kwayoyin cututtukan cututtuka sun kasance babbar ƙalubalen kiwon lafiya ta duniya.[1] Hukumar Lafiya ta Duniya ta ba da rahoton cewa waɗannan cututtukan sun kai sama da 17% na duk cututtukani masu yaduwa a duk duniya, kuma suna da alhakin daruruwan dubban mutuwar kowace shekara.[1] Hakanan ana amfani da kalmar ga wasu kwari da sauran kwayoyin da ke watsa cututtukan shuke-shuke zuwa amfanin gona.

Wakilan da ake ɗauka a matsayin masu ɗaukar jini galibi suna shan jini (Haematophagous) arthropods kamar sauro. Babban binciken farko na cututtukan cututtuken ya fito ne daga Ronald Ross a cikin 1897, wanda ya gano kwayar cutar zazzabin cizon sauro lokacin da ya rarraba kwayar ciki na sauro.[4][5] Tsarin tabbatar da cewa vector ne ke da alhakin watsa pathogens ana kiransa vector incrimination. Cutar ta dogara da hulɗa tsakanin mai masaukin, pathogen, da nau'in vector wanda ke iya ɗaukar kamuwa da cuta.[6] Wasu pathogens na iya ninkawa ko fuskantar wani ɓangare na rayuwarsu a cikin vector, yayin da wasu ke canja wurin daga wannan farfajiyar zuwa wani ba tare da bunkasa a cikin mai ɗaukar ba.[6]

Canje-canje a cikin yanayi, fadada birane, da canje-canjen amfani da ƙasa suna sake fasalin inda vectors zasu iya rayuwa. Yanayin zafi da sauye-sauyen ruwan sama na iya bunkasa yawan sauro da ƙwayoyin ƙwayoyin cuta, wanda zai iya fadada lokutan haihuwar su da kuma iyakar ƙasa.[7] Yankunan kore na birane da ababen more rayuwa na iya ƙirƙirar sabbin wuraren kiwo don masu tasowa kamar sauro, don haka kawo su kusa da yawan mutane.[8] Bugu da ƙari, cinikayya ta duniya da motsi na ɗan adam na iya ɗaukar ƙwayoyin cuta da ƙwayoyin cututtuka a duk faɗin nahiyoyi, wanda zai iya gabatar da su ga jama'a marasa ilimi.[9] Al'ummomin da ba a sani ba suna nufin saitin mahalarta waɗanda ba su taɓa haɗuwa da su ba ko kuma an fallasa su ga wani abu, magani, ko yanayin, sabili da haka ba su da rigakafin rigakafi ko ƙwarewar da ta gabata tare da shi.

Saboda wadannan sauye-sauye, hukumomin kiwon lafiya na jama'a suna ƙarfafa hanyoyin da aka tsara don rage cututtukan da ke yaduwa. Shirye-shiryen da aka aiwatar sun haɗa da saka idanu kan yawan mutanen da ke cikin muhalli, inganta kula da muhalli.

Arthropods

[gyara sashe | gyara masomin]
Doki mai laushi, mai ba da cututtukan Cutar Lyme

Arthropods, gami da sauro, ticks, biting midges, Blackflies, sandflies, tsetse flies, triatome bugs, lice, fleas, da thrips, sun samar da babban rukuni na pathogen vectors, suna watsa adadi mai yawa na pathogens. Yawancin irin waɗannan vectors suna haematophagous, ma'ana suna cin jini a wasu ko duk matakan rayuwarsu. Lokacin da kwari da ƙwayoyin cuta ke cin jini, kwayar cutar ta shiga cikin jini na mai masaukin.[1][2] Wadannan pathogens suna maimaitawa a cikin vector kuma vector sau da yawa mai ɗaukar sauran rayuwarsa. Kwayar cutar tana yaduwa ga sabbin rundunonin daga vector a lokacin cin abinci na jini.[3]

Lokacin da sauro ya sha jini daga mutum ko dabba, kwayar cuta daga wannan mai masaukin zai iya wucewa daga cikin sauro zuwa jikin sauro, idan wannan kwayar cutaa ta iya girma a cikin sauro. A can, kwayar cutar ta ninka kuma a ƙarshe ta motsa zuwa glandun sauro. Lokacin da sauro na gaba ya ɗauki abinci na jini daga mutum ko dabba, ana canja kwayar cutar daga ƙwayoyin sauro zuwa sabon mai masaukin.[10]

Sauro daban-daban suna aiki ne a matsayin masu yaduwa ga cututtuka daban-daban. Sauro na Anopheles yana watsa zazzabin cizon sauro, lymphatic filariasis, da Kwayar cutar O'nyong'nyong.[1] Malaria yana haifar da kwayar cutar Plasmodium, kuma lymphatic filariasis yana haifar da filarial Nematodes Wuchereria bancrofti, Brugia Malai, da Brugia timori.[11][12]

Sauro na Aedes yana watsa chikungunya, dengue, lymphatic filariasis, Rift Valley fever, yellow fever, da Zika.[1] Kwayar cutar chikungunya tana da alaƙa da kwayar cutar O'nyong'nyong wacce sauro na Anopheles ke ɗauka, tare da ƙwayoyin cuta biyu suna cikin nau'in Alphavirus.[2] Dengue, Rift Valley zazzabi, yellow zazzabi da Zika duk sun samo asali ne daga ƙwayoyin cuta.[1]

Sauro na Culex suna aiki ne a matsayin masu ɗaukar ƙwayoyin cuta na Japan, filariasis na lymphatic, da zazzabin Nilu na Yamma. Encephalitis na Japan da zazzabin Yammacin Nilu duka suna haifar da ƙwayoyin cuta.[1]

An san ƙwayoyin cuta da ɗaukar ƙwayoyin cututtuka daban-daban sama da ɗari, gami da ƙwayoyin ƙwayoyin halitta, ƙwayoyin daji, da ƙwayoyi. Ana samun waɗannan ƙwayoyin cuta a Turai, Asiya, da Arewacin Amurka.[13] Tsuntsaye suna aiki ne a matsayin masu yaduwa ga cututtuka irin su Cutar Lyme, encephalitis mai yaduwa, zazzabin jini na Crimea-Congo, zazzabi mai dawowa (wanda ake kira borreliosis), cututtukan rickettsial kamar zazzabi, da Tularemia.[1] Cutar Lyme, sake dawowa zazzabi, cututtukan rickettsial, da tularaemia suna haifar da kwayoyin cuta. Cutar Lyme ta samo asali ne daga kwayar cuta ta [./<i id=]Borrelia_burgdorferi" id="mwzw" rel="mw:WikiLink" title="Borrelia burgdorferi">Borrelia burgdorferi, yayin da zazzabi mai sake dawowa ya samo asali ne ta hanyar nau'ikan kwayar cuti na Borrelia. [13] [14] Cututtukan Rickettsial sun fito ne daga ƙwayoyin cuta a cikin tsari na Rickettsiales kuma tularemia ya haifar da ƙwayoyin Francisella tularensis . [15][16] Biyu daga cikin ƙwayoyin cuta da ƙwayoyin ƙwayoyin suna ɗauke da kwayar cutar encephalitis da kwayar cuta ta Crimean-Congo.[13][17]

Kodayake sauro na Aedes suna iya ɗaukar kwayar cutar oropouche kuma suna taka rawa wajen yaduwar kwayar cutar a cikin dabbobi na daji kamar su sloths masu yatsunsu uku, primates, da tsuntsaye, cutar galibi tana yaduwa tsakanin mutane a cikin birane ta hanyar cinye tsutsa, musamman Culicoides paraensi . [1] Wadannan tsutsa masu cinyewa sun fi ƙanƙanta fiye da sauro, amma cinyewarsu sau da yawa sun fi zafi. Culex quinquefasciatus na iya taka rawa wajen yada kwayar cutar Oropouche tsakanin mutane a cikin saitunan birane, duk da haka, ƙwayoyin ƙwayoyin cuta sune babban abin da ke haifar da su.[1]

Blackflies, wanda aka fi sani da Simulium rasyani, sune vector na onchocerciasis (wanda ake kira makaho na kogi), wanda ke haifar da nematode Onchocerca volvulus. Blackfly yana ɗauke da O. volvulus lokacin da ya sha jini daga ɗan adam mai kamuwa da cuta kuma ya ci microfilariae. Wadannan microfilariae suna motsawa zuwa tsakiyar ƙwayar baƙar fata sannan kuma tsokoki na kirji, inda zasu iya bunkasa cikin tsutsotsi kuma, daga baya, tsutsotsi masu kamuwa da cuta. Wadannan tsutsotsi masu kamuwa da cuta sai su koma ga proboscis na blackfly. Daga can, tsutsotsi masu kamuwa da cuta suna iya yaduwa zuwa sabon mai masaukin a lokacin da baƙar fata ta ɗauki abincin jini.[18]

Manazarta

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  1. 1 2 3 4 5 6 "Vector-borne diseases". WHO. Cite error: Invalid <ref> tag; name "WHO Vector-borne diseases" defined multiple times with different content.
  2. ↑ "Vector". WordNet Search 3.1. Princeton University. Retrieved 7 April 2014.
  3. ↑ CDC (2024-06-26). "About Vector-Borne Diseases". Vector-Borne Diseases (in Turanci). Retrieved 2025-12-17.
  4. ↑ Muacevic, Alexander (2024-08-02). "The Legacy of Sir Ronald Ross: From Malaria Research to Multifaceted Achievements". Cureus (in Turanci). 16 (8). doi:10.7759/cureus.65999. PMC 11366213 Check |pmc= value (help). PMID 39221355 Check |pmid= value (help).
  5. ↑ "CDC - Malaria - About Malaria - History - Ross and the Discovery that Mosquitoes Transmit Malaria Parasites". www.cdc.gov (in Turanci). 2017-03-28. Archived from the original on May 19, 2017. Retrieved 2020-10-23.
  6. 1 2 de Souza, William M.; Weaver, Scott C. (August 2024). "Effects of climate change and human activities on vector-borne diseases". Nature Reviews. Microbiology. 22 (8): 476–491. doi:10.1038/s41579-024-01026-0. ISSN 1740-1534. PMID 38486116 Check |pmid= value (help).
  7. ↑ "Climate Change & Infectious Diseases – Public Health". publichealth.cornell.edu. Retrieved 2025-12-17.
  8. ↑ Fournet, Florence; Simard, Frédéric; Fontenille, Didier (March 2024). "Green cities and vector-borne diseases: emerging concerns and opportunities". Euro Surveillance: Bulletin Europeen Sur les Maladies Transmissibles = European Communicable Disease Bulletin. 29 (10). doi:10.2807/1560-7917.ES.2024.29.10.2300548. ISSN 1560-7917. PMC 10986671 Check |pmc= value (help). PMID 38456216 Check |pmid= value (help).
  9. ↑ CDC (2025-01-14). "Vector-Borne Diseases". Climate and Health (in Turanci). Retrieved 2025-12-17.
  10. ↑ CDC (2024-06-04). "About Mosquitoes in the United States". Mosquitoes (in Turanci). Retrieved 2025-12-09.
  11. ↑ "Malaria". www.who.int (in Turanci). Retrieved 2025-12-09.
  12. ↑ Wang, Cun-Chen; Zhang, Wei-Xian; He, Yong; Liu, Jia-Hua; Ju, Chang-Shan; Wu, Qi-Long; He, Fang-Hang; Peng, Cheng-Sheng; Zhang, Mao; Deng, Sheng-Qun (2025-08-25). "Global Epidemiology of Vector-Borne Parasitic Diseases: Burden, Trends, Disparities, and Forecasts (1990-2036)". Pathogens (Basel, Switzerland). 14 (9): 844. doi:10.3390/pathogens14090844. ISSN 2076-0817. PMC 12472468 Check |pmc= value (help). PMID 41011745 Check |pmid= value (help).
  13. 1 2 3 Gong, Lingling; Diao, Luteng; Lv, Tianbao; Liu, Yilin; Liu, Jiuxi; Zhang, Wenlong; Xie, Xufeng; Cao, Yongguo (2025-09-01). "A comprehensive review of tick-borne disease epidemiology, clinical manifestations, pathogenesis, and prevention". Animals and Zoonoses. 1 (3): 254–265. doi:10.1016/j.azn.2025.05.004. ISSN 2950-2489.
  14. ↑ Lopez, Job; Hovius, Joppe W.; Bergström, Sven (2021). "Pathogenesis of Relapsing Fever". Current Issues in Molecular Biology. 42: 519–550. doi:10.21775/cimb.042.519. ISSN 1467-3045. PMC 8756760 Check |pmc= value (help). PMID 33372163.
  15. ↑ CDC (2025-08-22). "Rickettsial Diseases". Yellow Book (in Turanci). Retrieved 2025-12-09.
  16. ↑ Maurin, Max; Gyuranecz, Miklós (2016-01-01). "Tularaemia: clinical aspects in Europe". The Lancet Infectious Diseases. 16 (1): 113–124. doi:10.1016/S1473-3099(15)00355-2. ISSN 1473-3099. PMID 26738841.
  17. ↑ Fereidouni, Mohammad; Apanaskevich, Dmitry A.; Pecor, David B.; Pshenichnaya, Natalia Yu; Abuova, Gulzhan N.; Tishkova, Farida H.; Bumburidi, Yekaterina; Zeng, Xiankun; Kuhn, Jens H.; Keshtkar-Jahromi, Maryam (April 2023). "Crimean-Congo hemorrhagic fever virus in Central, Eastern, and South-eastern Asia". Virologica Sinica. 38 (2): 171–183. doi:10.1016/j.virs.2023.01.001. ISSN 1995-820X. PMC 10926685 Check |pmc= value (help). PMID 36669701 Check |pmid= value (help).
  18. ↑ Schwartz, Robert A.; Al-Qubati, Yasin; Zieleniewski, Łukasz; Shah, Radhika; Kapila, Rajendra (2020). "Onchocerciasis (river blindness): larva-induced eczema (onchodermatitis) from an important oculocutaneous tropical disease spilling over into North America and Europe". International Journal of Dermatology (in Turanci). 59 (9): 1065–1070. doi:10.1111/ijd.14614. ISSN 1365-4632. PMID 31513297.
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