Nheyo dzekutanga dzeEpidemiology muMishonga yeZvipfuyo
Epidemiology kudzidza maitiro, zvikonzero, uye zvinhu zvinopesvedzera kuitika kwezvirwere mumapoka evanhu. Mukurapa kwezvipfuyo, epidemiology inoita basa rakakosha nekuti hutano hwemhuka hahungogumiri pakuita goho uye kugara zvakanaka kwemhuka asiwo hwakabatana zvakanyanya nehutano hwevanhu kuburikidza nepfungwa yeOne Health—kubatana kwevanhu, mhuka, uye nharaunda. Kunzwisisa epidemiology kunobatsira vanachiremba vezvipfuyo, varimi, nevanogadzira mitemo zvinobudirira kudzivirira, kuona, uye kudzora zvirwere, kunyanya mukurima zvipfuyo zvakanyanya uye mumhuka dzesango.
1. Hukuru hweEpidemiology yeZvipfuyo
Kuongororwa kwezvirwere zvemhuka kunotarisa pakuitika kwezvirwere mumapoka emhuka, kwete pamunhu mumwe chete. Nokudaro, nzira yaro inosanganisira kutarisa kuwanda kwezvirwere, kuona zvinhu zvinokonzera njodzi, kuongorora zvirongwa zvekudzivirira, uye kuronga nzira dzekudzora. Mienzaniso yekushandiswa kwekuongorora zvirwere zvemhuka inosanganisira kutarisa zvirwere zvemhuka (semuenzaniso, chimbwamupengo, leptospirosis, brucellosis), zvirwere zvinotapukira (semuenzaniso, furuwenza yeshiri, chirwere chetsoka nemuromo), uye zvirwere zvekugadzira zvinowanzoenderana nekutarisira (semuenzaniso, mastitis mumombe dzemukaka kana coccidiosis muhuku).
Pamusoro pezvirwere zvinotapukira, epidemiology inoshandiswawo kuongorora matambudziko ehutano asina kutapukira akadai sekuchetura kwezvikafu, kushushikana nekupisa, matambudziko ekudya, uye matambudziko ehutano hwemhuka uye kukanganisa kwazvinoita pakubudirira kwekugadzira.
2. Pfungwa yeKuyera Huwandu hwevanhu, Nyaya, uye Zvirwere
Nheyo huru yekuongorora zvirwere ndeyekuona chirwere sechinhu chinowanzoitika muhuwandu hwevanhu. Vanachiremba vemhuka vanofanirwa kutsanangura zvakajeka "vanhu vari panjodzi," iro riri boka remhuka dziri panjodzi yekurwara nechirwere mukati menguva yakatarwa.
Kugadzira tsananguro yenyaya kwakakosha pakunyorwa nekuongororwa nguva dzose. Tsananguro yenyaya inogona kuva yekiriniki (ichibva pazviratidzo), yerabhoritari (ichibva pamigumisiro yebvunzo), kana musanganiswa wezvose zviri zviviri. Semuenzaniso, nyaya yekiriniki yemastitis inogona kutsanangurwa sekuchinja mumukaka pamwe chete nekuzvimba kwezamu, nepo subclinical mastitis ichida kuongororwa kwakadai sekuwanda kwemasero mumuviri kana bvunzo yeCMT.
Kuti uongorore huwandu hwechirwere, pane nzira mbiri huru dzekuongorora:
1. Kuitika kwechirwere: huwandu hwezviitiko zvitsva zvinoitika muvanhu vari panjodzi munguva yakatarwa. Kuitika kwechirwere kunobatsira pakuongorora njodzi uye kushanda kwezvirongwa zvekudzivirira chirwere.
2. Kuwanda kwevanhu: huwandu hwevanhu vanorwara panguva yakatarwa. Kuwanda kwevanhu kunobatsira kutsanangura mutoro wezvirwere muvanhu.
Munyaya yezvipfuyo, ruzivo rwehuwandu hwevanhu vanorwara uye huwandu hwevanhu vanorwara runogona kushandiswa kutarisa mafambiro ezvirwere, kuenzanisa mapurazi, uye kuona zvinodiwa kuti zvipindirwe.
3. Epidemiological Triad: Mumiriri, Mugamuchiri, uye Nzvimbo Yakatipoteredza
Nyanzvi yezvezvirwere zvechinyakare inoziva pfungwa ye "epidemiological triad," iyo inoumbwa nemushonga, mupi, uye nharaunda. Zvirwere zvinoitika kana zvikamu izvi zvitatu zvichisangana pasi pemamwe mamiriro ezvinhu.
– Mushonga chinhu chinokonzera zvirwere, senge bhakitiriya, hutachiona, tupukanana, fungus, kana chepfu. Hunhu hwemushonga, hwakadai sehutachiona, huwandu hwehutachiona, uye kugona kurarama munzvimbo yakapoteredza, zvinokanganisa maitiro ezvirwere.
– Chipfuwo chinowanzobatwa nezvirwere. Zvinhu zvinoumba chipfuwo zvinosanganisira zera, mamiriro ekudzivirira muviri, majini, kudya kunovaka muviri, kushushikana, uye mamiriro emuviri akadai sepamuviri.
- Nzvimbo iyi inosanganisira zvinhu zvekunze zvinokanganisa kupararira kwezvirwere, zvakaita sekuchenesa makeji, kuwanda kwevanhu, hunyoro, tembiricha, kunaka kwechikafu nemvura, uye kuvapo kwezvipembenene zvinotakura utachiona.
Semuenzaniso, kubuda kwezvirwere zvekufema mumombe kunogona kukonzerwa nemavhairasi kana mabhakitiriya, zvichiwedzerwa nekunetseka kwekutakura mhuka, uye zvichitsigirwa nenzvimbo dzisina mhepo yakakwana mumatanga.
4. Kupararira kwezvirwere zvinotapukira uye mafambiro azvo
Muzvirwere zvinotapukira, kunzwisisa nzira yekutapurirana kwakakosha. Nzira yekutapurirana inosanganisira kwakabva chirwere, kuti chirwere chinobuda sei mumuviri, nzira yekutapurirana, nzira yekupinda nayo, uye munhu ari nyore kutapurirana. Nzira dzekutapurirana dzinogona kusanganisira:
- Kusangana zvakananga pakati pemhuka
- Kubata zvisina kunanga kuburikidza nemafomite (zvishandiso, shangu, mota)
– Mhepo inobhururuka/aerosol (semuenzaniso furuwenza)
- Zvirwere zvakaita seumhutu, zvikwekwe, kana nhunzi
- Kubva kumubereki kuenda kumwana
Imwe pfungwa inokosha ndeye nhamba yekutanga yekubereka (R0), inova huwandu hwehutachiona hwechipiri hunokonzerwa nemunhu mumwe chete muvanhu vane chirwere ichi. Kana iri R0 > 1, chirwere ichi chingangowedzera; kana iri R0 < 1, chirwere ichi chichadzikira. Nzira dzekudzora dzakadai sekubaiwa nhomba, kugara muchivande, uye kuwedzera kwekuchengetedzwa kwezvirwere zvinovavarira kuderedza kukosha kweR0. 5. Zvinhu Zvinokonzera Njodzi uye Kuferefeta Kwechirwere Epidemiology ine chinangwawo chekuona zvinhu zvinokonzera njodzi zvinowedzera mukana wekuitika kwechirwere. Zvinhu Zvinokonzera njodzi mumishonga yemhuka zvinogona kuva: - Zvinhu Zvinokonzera njodzi mumishonga yemhuka zvinogona kuva: - Zvinhu Zvinokonzera njodzi: kuwanda kwedzimba, kutenderera kwemakeji, hutsanana - Zvinhu Zvinokonzera chikafu: kusvibiswa kwemycotoxin, shanduko yakangoerekana yaitika mumigove - Zvinhu Zvinokonzera kufamba: kufamba kwemhuka, kuiswa kwemhuka itsva pasina kugara muchivande - Zvinhu Zvinokonzera zvakatipoteredza: mwaka wemvura, mafashamo, shanduko dzekupisa kwakanyanya Kana paine kuwedzera kwezviitiko, kuferefeta kwechirwere kunoitwa nematanho akajairika: kusimbisa kuongororwa, kusimbisa kubuda kwechirwere, kuona tsananguro yechirwere, kuverenga hukuru hwechiitiko, kugadzira kupararira (nguva yemunhu-nzvimbo, kana mumhuka: nguva yeboka-nzvimbo), kuyedza fungidziro yezvinhu zvinokonzera, uye kuita matanho ekudzora. Mukuchengeta mhuka, matanho ekukurumidzira akadai sekuzviparadzanisa, kurambidzwa kufamba, kuurayiwa kwehutachiona, uye kurapwa kwehuwandu hwevanhu zvinogona kudzivirira kurasikirwa kukuru. 6. Kuongororwa, Kuchengetedzwa Kwemhuka, uye Kudzivirira Kuongororwa ndiko kutarisa kwakarongeka uye kunogara kuripo kwechirwere. Kuongororwa kunogona kuitwa pasina kupindira (mishumo yenguva dzose) kana kushanda (kutsvaga nyaya dzakarongwa, kutora sampling). Mukurapa kwemhuka, kuongororwa kunosanganisirawo kuongororwa kwemasero, kuongororwa kwePCR, uye kuongororwa kweante-mortem uye post-mortem panzvimbo dzekuurayira mhuka. Kuchengetedzwa kwemhuka ndiyo hwaro hwekudzivirira zvirwere mumapurazi. Nheyo dzayo dzinosanganisira: - Kuderedza kupinda kwezvirwere (kudzora kupinda, kuvharirwa kwemhuka itsva) - Kuderedza kupararira mukati mepurazi (nzvimbo dzakachena-dzakasviba, kuurayiwa kwehutachiona nguva dzose) - Kuwedzera kuramba kwemhuka (kubaiwa nhomba, kudya kwakakwana, kutarisira kushushikana) Chirongwa chakanaka chekudzivirira chinofanira kugadzirirwa rudzi rwezvipfuyo, kukura kwebhizinesi, uye njodzi chaiyo yedunhu.
7. Basa reEpidemiology muUtano Humwe Zvirwere zvakawanda zvemhuka zvine simba rakananga pavanhu. Zvirwere zvemhuka zvakaita sechimbwamupengo, anthrax, toxoplasmosis, uye furuwenza yeshiri zvinoda nzira dzakasiyana-siyana. Kuongororwa kwezvirwere zvemhuka kunobatsira mukuona zvirwere zvitsva zviri kubuda, kudzora kubuda kwezvirwere, uye kuronga njodzi munharaunda. Kushanda pamwe chete pakati pevanachiremba vemhuka, nyanzvi dzehutano hwevanhu, uye nyanzvi dzezvakatipoteredza kwakakosha mukugadzirisa njodzi yezvirwere zvinotapukira zvinogona kupararira mumarudzi akasiyana. Mhedziso Nheyo huru dzekuongorora zvirwere mukurapa kwemhuka dzinosanganisira kunzwisisa chirwere sechiitiko chehuwandu hwevanhu, kuyera kuwanda kwezvirwere uye kupararira kwazvo, kuongorora huwandu hwezvirwere zvezvirwere, uye kudzora kuburikidza nekutarisa, kuchengetedzeka kwezvinhu zvipenyu, uye kupindira kunobva pazvinhu zvine njodzi. Nenzira yekuongorora zvirwere, kuita sarudzo kunowedzera kunangwa, kurasikirwa kwehupfumi kunogona kuderedzwa, kugara zvakanaka kwemhuka kunovandudzwa, uye njodzi dzezvirwere zvemhuka kuvanhu dzinogona kuderedzwa. Pakupedzisira, kuongorora zvirwere zvemhuka hakusi chishandiso chekuongorora chete, asiwo hwaro hwehurongwa hwemazuva ano hwehutano hwemhuka hwakabatana nehutano hwevanhu uye kuchengetedzeka kwezvakatipoteredza.