Ese wigeze wumva ijambo "Herd Imunity" mbere? Twari tumaze igihe twumva iri jambo cyane cyane icyorezo cya COVID-19. Hari n'abantu baryita "herd immunity." None se wigeze wibaza icyo risobanura mu magambo yoroshye? Ntugahangayike, nubwo iki ari ikintu gikomeye cya siyansi, reka tubiganireho mu buryo bworoshye, mu rurimi rwacu.
Ubudahangarwa bw'umukumbi ni iki?
Mu magambo make, ubudahangarwa bw'amatungo ni igihe igice kinini cy'abaturage bo mu gace runaka bafite ubudahangarwa, ni ukuvuga, uburinzi, ku ndwara runaka.
Tekereza kuri ubu buryo. Abantu benshi bo mu mudugudu wacu ntibarindwa iseru. Rero nubwo umuntu uturutse hanze yaza mu mudugudu afite iseru, amahirwe yo kwanduza abandi ni make cyane. Kuki? Kuko abantu benshi babakikije batandura iyi ndwara. Ni nk'aho virusi itera iyi ndwara ibura uburyo bwo kuyigezayo. Nyuma y'igihe runaka, iyi virusi ntigira aho ikwirakwira, bityo iyi ndwara igenda ishira buhoro buhoro mu baturage.
Akamaro kanini k'ibi ni uko nubwo umuryango wose urinzwe muri ubu buryo, amatsinda y'abatishoboye adashobora kubona ubudahangarwa kubera impamvu runaka na yo ahita ahabwa uburinzi.
Urugero, ibi bitanga uburinzi bukomeye ku bantu nk'impinja nto, abantu bafite ubudahangarwa bw'umubiri budakomeye (urugero: abarwayi ba kanseri, abahabwa izindi ngingo), n'abantu badashobora gukingirwa kubera ko amahirwe yo kubasangamo aba make.
Ni gute twakora ubu budahangarwa bw'amashyo?
Hari uburyo bubiri bw'ingenzi ubu budahangarwa bw'inyama bushobora kubaho.
1. Kwandura indwara karemano
Iyo umuntu yanduye virusi cyangwa bagiteri, ubudahangarwa bw'umubiri wacu butangira kuyirwanya. Kugira ngo tuyirwanye, umubiri wacu ukora ikintu cyitwa antibodies . Iyo indwara imaze gukira, izi antibodies ziguma mu mubiri wacu. Iyo umugera umwe wateye iyi ndwara ugarutse mu mubiri wacu umunsi umwe, umubiri wacu ukoresha izo antibodies kugira ngo uyitsinde. Uku ni ko icyorezo cya virusi ya Zika muri Brezili cyagenzuwe. Mu myaka ibiri, 63% by'abaturage bari baranduye iyi virusi, bigatuma habaho ubudahangarwa bw'umubiri, nk'uko abashakashatsi babivuga.
2. Binyuze mu gukingira
Gukingirwa ni bwo buryo bwizewe kandi bwiza bwo kubaka ubudahangarwa bw'amashyo. Icyo urukingo rukora ni "gushuka" imibiri yacu ikadutekereza ko dufite iyi ndwara, tutayirwaye. Ubudahangarwa bwacu bw'umubiri buhita bukora ubudahangarwa twavuze mbere. Rero niba mikorobe itera iyi ndwara yinjiriye mu mibiri yacu, imibiri yacu iba yiteguye kuyirwanya. Polio yarakuwe mu bihugu nka Leta Zunze Ubumwe za Amerika kubera ubudahangarwa bw'amashyo bwatewe no gukingirwa.
Umupaka w'ubudahangarwa bw'amatungo n'agaciro ka R0
Si indwara zose zisaba umubare ungana w'abantu kugira ngo zigire ubudahangarwa bw'umubiri. Biterwa n'uburyo indwara ikwirakwira vuba. Igipimo cy'uyu muvuduko cyitwa R0 (R-naught) .
R0 yerekeza ku mubare mpuzandengo w'abantu umuntu urwaye iyi ndwara ashobora kwanduza mu muryango udafite ubudahangarwa. Kugira ngo agaciro ka R0 kiyongere, kandi kugira ngo ubudahangarwa bw'umubiri bubeho, igipimo cy'abantu bafite ubudahangarwa mu muryango nacyo kigomba kwiyongera cyane.
Reba imbonerahamwe iri hepfo, ibi bizarushaho kugaragara neza kuri wewe.
| Indwara | Agaciro ka R0 (igipimo cyo kohereza) | Ijanisha rikenewe kugira ngo ubudahangarwa bw'amashyo bube bwiza |
|---|---|---|
| Indwara y'iseru | 12-18 (hejuru cyane) | Hafi 95% |
| Polio | 5-7 (hejuru) | Hafi 80% |
| COVID-19 (ubwoko bw'umwimerere) | Hafi 2-3 | Hafi 50% - 67% |
| COVID-19 (ubwoko bwa Omicron) | Hafi 15-21 (hejuru cyane) | Hafi 75% - 80% |
COVID-19 n'ubudahangarwa bw'umubiri: Kuki ibi bigoye cyane?
Ikibazo gikomeye cyane ubwo icyorezo cya COVID-19 cyatangiraga mu 2019 ni uko cyari "gishya" cyangwa "gishya".Kuba ari virusi. Bivuze ko abantu batari baranduye iyi virusi mbere. Bityo rero, nta muntu n'umwe ku isi yose wari ufite ubudahangarwa karemano bwo kuyirwanya.
Nubwo hatanzwe inkingo za COVID-19 zibarirwa muri za miriyari ku isi, kandi abantu babarirwa muri za miriyoni barakize iyi ndwara, ntabwo turagera ku budahangarwa bw’icyorezo cya COVID-19. Hari impamvu nyinshi zibitera.
- Impinduka muri virusi: Virusi ya COVID-19 ihora ihinduka. Ushobora kwibuka ubwoko butandukanye nka Delta na Omicron . Ubu bwoko bushya bwakwirakwiriye vuba cyane kurusha virusi ya mbere. Ibi bivuze ko agaciro ka R0 kiyongereye. Ibi kandi byongera igipimo gisabwa kugira ngo habeho ubudahangarwa bw'amatungo. Nanone, ubu buryo bushobora kugabanya uburinzi butangwa n'urukingo uko igihe kigenda gihita.
- Ingufu z'urukingo n'ibibazo byo gukingira: Nubwo urukingo rwa COVID-19 rwagize akamaro kanini mu gukumira indwara zikomeye n'urupfu, abantu bake nibo bakingiwe kugira ngo babone ubudahangarwa bw'umubiri. Hari abantu batabonye urukingo, abandi banze urukingo kubera impamvu zabo bwite. Nanone, si buri wese wahawe doze zisabwa n'inyongera kugira ngo agere ku burinzi buhagije bw'urukingo.
None se, ni ubuhe buryo bwiza bwo guhagarika ikwirakwira ry'indwara muri sosiyete?
Ku bijyanye na COVID-19, gukingirwa no guhabwa inshinge zo kongera imbaraga ku gihe ni bwo buryo bwiza bwo kwirinda indwara zikomeye n'iz'abakunzi bawe.
Hari ibintu byinshi dushobora gukora kugira ngo wirinde ikwirakwira ry'izindi ndwara zandura:
- Ukingiwe ku gihe indwara ziterwa n'urukingo (urugero: iseru, hepatite A na B, grippe).
- Mu nzu, ni ukuvuga mu nzu, niba hari abantu benshi hamwe, fungura amadirishya kandi urebe ko hari umwuka mwiza.
- Karaba intoki zawe neza ukoresheje isabune n'amazi mbere yo kurya, nyuma yo kuva mu bwiherero, kandi kenshi. Niba udafite uburyo bwo gukaraba intoki, koresha umuti wica udukoko.
- Buri gihe sukura ahantu hakunze gukorwaho kenshi (amaboko y'inzugi, clavier, remote controls).
- Upfuke umunwa n'amazuru ukoresheje agatambaro cyangwa inkokora yawe igihe ukorora cyangwa witsamuye. Ibi bizakurinda mikorobe kugera ku ntoki zawe.
- Niba wumva urwaye cyangwa ufite ibimenyetso by'indwara yandura, guma mu rugo. Ibi bizakurinda kwanduzanya iyi ndwara ku bandi.
Ubutumwa bwo kujyana mu rugo
- Ubudahangarwa bw'amashyo ni uburinzi ku muryango wose, cyane cyane abari mu matsinda y'abatishoboye.
- Ibi bishobora kuboneka mu buryo busanzwe binyuze mu kwandura indwara cyangwa mu gukingira. Ariko, gukingira ni bwo buryo bwizewe kandi bwizewe bwo kuvura indwara nyinshi.
- Ubudahangarwa bw'amashyo bugoye cyane bitewe na virusi zihinduka kenshi, nka COVID-19. Kubwibyo, kwirinda umuntu ku giti cye, nko gukingirwa no kugira isuku nziza, ni ingenzi cyane.
- Niba ufite ikibazo icyo ari cyo cyose kijyanye n'inkingo wowe cyangwa umuryango wawe mugomba guhabwa, cyangwa ikindi kibazo kijyanye nabyo, ntugatinye kuvugana na muganga w'umuryango wawe ku bijyanye nabyo.











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