Kodi munayamba mwadzifunsapo kuti, gulu lalikulu la anthu likamakhala pamodzi, mwachitsanzo m'mudzi mwanu, kapena komwe mumagwira ntchito, tonsefe timatetezedwa ku matenda enaake? Nthawi zina sitikuona, koma pali chinthu chachikulu chomwe chikuchitika kuti chiteteze tonse. Ndicho chimene timachitcha 'chitetezo cha ziweto' kapena `(Chitetezo cha ziweto)`. Ichi ndi chinthu chofunikira kwambiri, tiyeni tikambirane za icho lero, chabwino?
Kodi Herd Immunity kwenikweni ndi chiyani?
Mwachidule, chitetezo cha m'thupi la gulu la anthu ndi pamene anthu ambiri m'dera, kaya m'mudzi kapena mumzinda, ali otetezeka ku matenda opatsirana, ndiko kuti, akamalimbana ndi matendawa, mwayi woti matendawa afalikire kwa ena umachepa kwambiri. Taganizirani ngati moto wa m'nkhalango. Kuti moto ufalikire, uyenera kufalikira kuchokera ku mtengo umodzi kupita ku wina. Koma ngati mitengo yambiri yatetezedwa ku chinyezi kapena ndi yosapsa ndi moto, zimakhala zovuta kuti moto ufalikire, eti? Umu ndi momwe zilili ndi izi. Pamene anthu ambiri m'derali ali otetezeka, pali malo ochepa oti matendawa 'adumphire'. Kenako kufalikira kwa matendawa kumakhala pafupifupi kulamulidwa.
Tangoganizani kuti muli ndi ana 30 mkalasi mwanu. Ngati 25 mwa iwo ali ndi chitetezo chamthupi ku chikuku, ndiye kuti ngakhale wina wakunja atalowa mkalasi ali ndi chikuku, matendawa sadzafalikira kwa ana 25 amenewo. Kenako mwayi wa ana 5 omwe alibe chitetezo chamthupi ku kachilomboka umachepa kwambiri, chifukwa palibe anthu ambiri mkalasi omwe angakhale ngati 'mlatho' kuti matendawa awafikire. Umenewo ndi mphamvu ya '(Chitetezo cha Gulu)'. Uli ngati chishango choteteza chosaoneka chomwe chimapangidwa mozungulira anthu onse.
Ndiye, kodi tingatani kuti tipewe matendawa?
Chabwino, tsopano tiyeni tiwone momwe munthu amakhalira ndi chitetezo chamthupi ku matenda, kutanthauza kuti, chitetezo chamthupi chimakula. Pali njira zingapo zazikulu zochitira izi. Chinthu ichi chotchedwa chitetezo chamthupi m'thupi lathu chimagwira ntchito modabwitsa kwambiri.
Katemera - Iyi ndiyo njira yabwino komanso yotetezeka kwambiri!
Tonsefe takhala tikumva za katemera kuyambira tili ana. Iyi ndi njira yabwino kwambiri, yotetezeka komanso yothandiza kwambiri yomangira chitetezo ku matenda. Katemera ndi gawo laling'ono kwambiri la kachilombo kofooka kapena kophedwa m'thupi mwathu. Kenako chitetezo cha mthupi, chomwe chimagwira ntchito ngati 'mlonda' m'thupi mwathu, chimazindikira mlendo ameneyu. Chimazindikira ndikupanga 'zida' zapadera zolimbana nacho. Timatcha ma antibodies a zida izi. 'Ma antibodies' awa ndi anzeru kwambiri, amakumbukira kachilombo kameneka. Kenako, ngati kachilombo kamene kamayambitsa matendawa kalowa m'thupi mwathu, 'ma antibodies' omwe adapangidwa kale amazindikira mwachangu ndikuwononga matendawa asanayambe. Izi zili ngati kuphunzitsa nkhondo isanayambe. Ndiye sitidzadwala kapena kukhala ndi mavuto aliwonse.
Chifukwa chiyani njira iyi ndi yabwino kwambiri? Chifukwa tingadziteteze ku matendawa popanda kutenga matendawa ndikukumana ndi zotsatirapo zoyipa komanso ululu womwe umabwera nawo. Matenda ena, mwachitsanzo, monga polio, angayambitse mavuto a moyo wonse ngati atapezeka. Katemera amatiteteza ku zoopsa zonsezi. Ichi ndichifukwa chake ngakhale mabungwe monga World Health Organization akupereka chithandizo chachikulu cha katemera.
Kudwala ndi kuchira - njira yovuta pang'ono!
Njira yachiwiri ndi yakuti timapeza matenda, omwe ndi matenda oyambitsidwa ndi kachilombo kapena bakiteriya, ndikuchira. Izi zikachitika, thupi lathu limapanga `(Ma antibodies)` omwe atchulidwa pamwambapa. Izi zikutanthauza kuti ngati matendawa abweranso nthawi ina, thupi lathu limakhala lokonzeka. Komabe, iyi ndi njira yovuta komanso yopweteka pang'ono. Chifukwa, tikadwala matendawa, timayenera kudwala kwa masiku, mwina milungu ingapo. Tiyenera kuvutika ndi mavuto osiyanasiyana monga malungo, kupweteka kwa thupi, chifuwa, ndi kupuma movutikira. Matenda ena, mwachitsanzo, monga chikuku, sachira, ndipo kwa anthu ena amatha kuyambitsa mavuto akulu monga `(Chibayo)`, ndipo nthawi zina amayambitsa imfa. Chifukwa chake, kupeza `chitetezo` mutalandira matendawa si chinthu chabwino, makamaka kwa matenda omwe ali ndi katemera.
Tangoganizirani, mwana wamkazi wamng'ono wa mnzanuyo adadwala nthenda ya nkhuku. Sanathe kupita kusukulu kwa milungu iwiri, anali ndi matuza thupi lonse, ankakanda, ndipo sankatha kugona bwino. Unali vuto lalikulu kwa banja. Atachira, anali 'wotetezeka' ku nthenda ya nkhuku, koma ululu waukulu womwe adakumana nawo! Ngati pakanakhala katemera, sipakanakhala vuto lililonse. Chifukwa chake, sikwanzeru kunena kuti "umadwala ndipo umalimbitsa chitetezo chamthupi", makamaka matenda akuluakulu.
Kuchokera ku ma antibodies omwe amalandiridwa kuchokera kunja - ndiko kuti (Passive Immunity)
Njira yachitatu imatchedwa passive immunity . Mu izi, m'malo mopanga ma antibodies m'thupi lathu, timalandira ma antibodies omwe adapangidwa kale kuchokera kunja. Izi zitha kuchitikanso m'njira ziwiri.
- Choyamba ndi kupereka katemera wa `(Antibody)` (Majakisoni a Antibody)` omwe amapangidwa motsutsana ndi majeremusi enaake. Izi zimaperekedwa kwa anthu enaake m'mikhalidwe ina. Mwachitsanzo, kachilombo kotchedwa `(RSV)` kamayambitsa mavuto opuma mwa makanda aang'ono. Chifukwa chake, kuyambira kubadwa mpaka miyezi 8, makanda amapatsidwa katemera wa `(Antibody)`, kaya nyengo isanayambe kapena mkati mwa nyengo ya `(RSV)`. Izi zimapatsa mwana chitetezo mwachangu. Koma izi sizinthu zomwe zimapezeka pa matenda onse, matenda ochepa okha ndi omwe ali ndi katemera wa `(Antibody)` wotere.
- Njira yachiwiri ndi yakuti mayi apereke ma antibodies kwa mwana wake. Mwana amalandira ma antibodies kuchokera m'thupi la mayi kudzera mu placenta pamene mwana ali m'mimba, komanso kudzera mu mkaka wa m'mawere atabadwa. Izi ndizofunikira kwambiri, chifukwa chitetezo cha mthupi cha makanda aang'ono sichikukula kwambiri pachiyambi. Ma antibodies amenewa ochokera kwa mayi amawateteza ku matenda ambiri, monga momwe mwana amalandirira chitetezo chomwecho kuchokera kwa mayi.
Koma pali chinthu chofunikira kukumbukira apa.Chitetezo chomwe chimaperekedwa ndi ``Antibodies`` chopezeka kuchokera kuzinthu zakunja, kaya kuchokera ku katemera kapena ku matenda, sichikhala nthawi yayitali ngati ``Antibodies`` omwe matupi athu amapanga. Amatha pakapita nthawi. Ichi ndichifukwa chake ngakhale makanda ang'onoang'ono amafunika katemera panthawi yoyenera, kuti apange chitetezo cha nthawi yayitali m'matupi awo.
Nanga, n’chifukwa chiyani chitetezo cha m’thupi cha ziwetochi chili chofunika kwambiri?
Tsopano mwina mukumvetsa tanthauzo la `(Herd Immunity)` ndi momwe imakhalira `immune`. Ndiye n’chifukwa chiyani izi zili zofunika kwambiri? Chifukwa, `(Herd Immunity)` imateteza anthu omwe sangakhale `immune` ku matenda enaake, kapena omwe sali `immune`. Izi zikutanthauza kuti, si aliyense m'gulu lomwe ali ofanana. Anthu ena ali ndi mphamvu zochepa zopirira matenda pazifukwa zosiyanasiyana, kapena sangathe kulandira katemera. Chomwe `(Herd Immunity)` imachita ndi kupereka chitetezo kwa anthu otere.
Ndani amene ali ndi mwayi waukulu wokhala ndi `immune`, kapena amene amatetezedwa makamaka ndi `(Herd Immunity)`?
- Anthu omwe sanakhalepo ndi matendawa: Alibe ma antibodies olimbana ndi matendawa.
- Anthu omwe sangathe kulandira katemera: Mwachitsanzo, makanda obadwa kumene. Amangopatsidwa katemera patatha miyezi ingapo. Komanso, anthu omwe ali ndi ziwengo zoopsa sangalandire katemera.
- Anthu omwe amalandira katemera koma osapeza "Ma antibodies" okwanira m'thupi lawo: Izi nthawi zina zimatha kuchitika. Si thupi la aliyense lomwe lili lofanana. Ngakhale atalandira katemera, anthu ochepa kwambiri sangalandire chitetezo chokwanira m'thupi lawo.
- Anthu omwe ali ndi chitetezo chamthupi chofooka: Izi zitha kuchitika pazifukwa zosiyanasiyana. Mwachitsanzo, anthu okalamba. Chitetezo chawo chamthupi chimakhala chotsika pang'ono. Komanso, anthu omwe akulandira chithandizo cha matenda monga khansa, omwe adaikidwa chiwalo china, kapena omwe akumwa mankhwala ena omwe amaletsa chitetezo chamthupi (immunosuppressants) akhoza kukhala ndi vutoli. Ngati anthuwa adwala, zingakhale zoopsa kwambiri.
Tangoganizirani, muli ndi agogo okalamba m'nyumba mwanu, omwe ali ndi matenda ngati a Diabetes Mellitus. Amavutika kutuluka ndikukhala pafupi ndi aliyense, amaopa kutenga matenda. Koma, ngati atalandira katemera monga aliyense m'mudzimo ndipo akakhala ndi chitetezo chamthupi, ndiye kuti agogo nawonso akhoza kukhala opanda mantha, sichoncho? Umenewo ndiye mtengo waukulu wa `(Herd Immunity)`. Mwa kukhala 'immune', mosadziwa timateteza wina.
Kawirikawiri amati ngati anthu 7 kapena 8 mwa anthu 10 m'dera ali ndi chitetezo chamthupi ku matenda, dera lonse limatetezedwa kwambiri ku matendawa. Izi zikutanthauza kuti mwayi woti matendawa afalikire umachepa kwambiri. Komabe, pa matenda opatsirana kwambiri, monga chikuku, chiwerengerochi chiyenera kukhala chokwera kwambiri. Mwina 95%, kutanthauza kuti 95 mwa anthu 100, ayenera kukhala ndi chitetezo chamthupi kuti athetse kufalikira kwa matendawa.
Ndiye, kodi katemera ndi wofunika bwanji kuti pakhale chitetezo cha m'gulu la ziweto?
Tsopano mwina mukuganiza kuti, 'Chabwino, ngati mungathe kutenga matendawa ndikukhala ndi chitetezo chamthupi,' bwanji muyenera kulandira katemera?' Nayi nkhani. Lingaliro lokwaniritsa '(Herd Immunity)' popanda katemera limatanthauza kuti anthu ambiri m'gulu la anthu adzayenera kutenga matendawa, kudwala, kuvutika kwambiri, komanso kutaya miyoyo yawo kuti akhale ndi 'chitetezo chamthupi.' Tangoganizani momwe zimenezo zingakhalire zoopsa? Zili ngati kulola matendawa kufalikira ndikunena kuti, 'Iwo omwe angathe kupulumuka, sasamala zomwe zingachitikire iwo omwe sangathe.'
Koma, chifukwa cha katemera, tatha kupanga chitetezo cha m'gulu popanda kuwononga kwambiri komanso popanda anthu kudwala. Masiku ano, tatha kulamulira ndikuchotsa matenda ambiri omwe akhala akuvutitsa anthu kwa nthawi yayitali, monga chikuku, polio, ndi nkhuku. N'zosatheka kulingalira kuchuluka kwa miyoyo yomwe yapulumutsidwa komanso kuchuluka kwa anthu omwe apulumutsidwa ku zilema zokhazikika.
Koma, mwatsoka, nthawi zina, magulu ena akamakana kulandira katemera kapena osatenga nawo mbali mu mapulogalamu a katemera moyenera, matenda omwe tawaletsa amayamba kukweranso. Posachedwapa, kufalikira kwa matenda monga chikuku, mumps, ndi chifuwa chachikulu/chifuwa cha m'mimba kwanenedwa m'madera osiyanasiyana padziko lapansi. Izi nthawi zambiri zimagwirizanitsidwa ndi madera omwe sanalandire katemera woyenera. Izi zikutanthauza kuti chitetezo cha mthupi chikachepa, matenda amakhala ndi mwayi wofalikiranso.
Chifukwa chake, kulandira katemera ndikofunikira kwambiri pa chitetezo chathu, komanso chitetezo cha ena mdera lathu, makamaka omwe ali m'magulu omwe ali pachiwopsezo omwe atchulidwa pamwambapa. Pokhapokha ngati tonse titalandira katemera moyenera ndi pomwe tingasunge khoma loteteza la "Chitetezo cha Ziweto" kukhala lolimba.
Ndiye, ndi zinthu ziti zofunika kwambiri zomwe tiyenera kukumbukira kuchokera munkhaniyi?
Ngakhale lingaliro la ``Herd Immunity'' lomwe tidalankhula likuoneka losavuta, ntchito yomwe limapereka ku thanzi lathu ndi yabwino kwambiri. Tiyeni tikumbukirenso izi:
- Chitetezo cha m'thupi cha gulu ndi pamene anthu ambiri m'dera amakhala otetezeka ku matenda, kufalikira kwa matendawa kumachepa, ndipo omwe alibe chitetezo amatetezedwa. Zili ngati chishango choteteza chimapangidwa mozungulira ife.
- Njira yabwino komanso yotetezeka yopezera chitetezo chamthupi ku matenda ndi kulandira katemera. Kukhala ndi chitetezo chamthupi pambuyo potenga matendawa kungakhale koopsa komanso koopsa.
- Chitetezo cha mthupi cha ziweto n'chofunika kwambiri chifukwa chimateteza ana aang'ono omwe sangalandire katemera, okalamba omwe ali ndi chitetezo cha mthupi chofooka, komanso anthu omwe chitetezo chawo cha mthupi chimafooka chifukwa cha matenda osiyanasiyana. Ngati atadwala, nthawi zambiri zimakhala zovuta.
- Tikalandira katemera, sitingotsimikizira chitetezo chathu chokha, komanso timapereka chithandizo choteteza banja lathu, anzathu, anansi athu, ndi anthu onse ammudzi. Ndi udindo waukulu, komanso dalitso lalikulu.
- Ngakhale kuti katemera ndi chisankho cha munthu payekha, zotsatira zake zimakhudza anthu onse.Choncho, podziwa zambiri zolondola ndi kulandira katemera motsatira upangiri wa zachipatala, tonsefe tikhoza kumanga gulu labwino komanso lotetezeka.
Kotero, ndikukhulupirira kuti mwamvetsa bwino za `(Herd Immunity)`. Ngati muli ndi mafunso ena okhudza izi, mutha kufunsa dokotala wa banja lanu kapena mkulu wa zaumoyo wakomweko. Kumbukirani, ndi mgwirizano wa tonsefe kuti tonsefe tatetezedwa!
Chitetezo cha m'thupi cha gulu, Katemera, Chitetezo cha m'thupi, Matenda opatsirana, Thanzi la anthu ammudzi, Chitetezo











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