Allurar rigakafi ta kashi

allurar rigakafi kashi  wata dabara ce don rage yawan allurar rigakafi kuma an cimma burin manufofin allurar wanda ya fi wuya a cimma tare da hanyoyin allurar rigakafi na al'ada,  isa ga mutane da yawa a cikin saitin iyakantaccen kasafin kuɗi na kiwon lafiya, ko rage tasirin illa saboda allurar rigapa.

Allurar rigakafi ta raguwa tana amfani da halaye masu amsawa na allurar rigakafin: Idan za a iya yin allurar rigakawa ga mutane biyu maimakon ɗaya, amma kowannensu yana samun 2/3 na ingancin kariya, akwai fa'ida a sikelin al'umma don rage yawan kamuwa da cuta. Idan kasafin kudin kiwon lafiya yana da iyaka ko kuma kawai an sami iyakacin allurar rigakafi a farkon lokacin annobar, wannan na iya haifar da bambanci ga jimlar adadin kamuwa da cuta.  

Allurar rigakafin kashi-kashi tana amfani da kashi na daidaitattun allurar rigakafi na yau da kullun wanda ake gudanar da shi ta wannan hanyar, ko kuma wata hanya ta daban (sau da yawa a karkashin fata ko intradermally). 

An yi amfani da allurar rigakafi ko kuma an ba da shawarar a cikin cututtukan talauci masu yaduwa da suka hada da zazzabin cizon sauro, Vannice, Kirsten; Wilder-Smith, Annelies; Hombach, Joachim (2018-08-16). "Fractional-Dose Yellow Fever Vaccination — Advancing the Evidence Base". New England Journal of Medicine. 379 (7): 603–605. doi:10.1056/NEJMp1803433. ISSN 0028-4793. PMID 29995585. S2CID 205114579. COVID-19. 

 Amfani da shi 

 A cikin mahallin iyakantaccen kasafin kuɗi na kiwon lafiya 
A lokacin barkewar zazzabin rawaya na 2016 a Angola da Jamhuriyar Demokradiyyar Kongo, WHO ta amince da amfani da allurar rigakafi don magance yiwuwar karancin allurar rigakawa. A watan Agustan 2016, babban kamfen na allurar rigakafi a Kinshasa ya yi amfani da 1/5 na daidaitattun allurar rigakawa. A cikin 2018 an ba da rahoton cewa allurar rigakafi ta raguwa tare da 1/5 na daidaitattun allurar rigakawa, wanda aka gudanar a cikin ciki, ya ba da kariya na shekaru 10, kamar yadda aka rubuta ta hanyar gwajin asibiti.

A cikin Poliomyelitis, an nuna allurar rigakafin kashi ɗaya yana da tasiri yayin rage farashin gaba ɗaya,  yana ba da allurar rigakawa ta Cutar shan inna ga wasu mutane.

 A cikin annobar COVID-19 
A cikin yaduwar annoba, ana ɗaukar allurar rigakafi ta raguwa don hanzarta samun damar yin allurar rigakawa lokacin da aka iyakance allurar riguna:

A cikin annoba COVID-19, samfuran cututtukan cututtuka suna hango babban fa'idar dabarun allurar rigakafin da aka tsara tare da wasu allurar rigakawa dangane da nauyin shari'a, mutuwar, da gajarta cutar.Hunziker, Patrick (2021-07-24). "Personalized-dose Covid-19 vaccination in a wave of virus Variants of Concern: Trading individual efficacy for societal benefit". Precision Nanomedicine. 4 (3). doi:10.33218/001c.26101. ISSN 2639-9431.

 Don rage tasirin illa 
A wasu sassan yawan jama'a, haɗarin kamuwa da cuta ya fi ƙanƙanta amma ƙarancin haɗarin tasirin allurar rigakafi na iya ƙaruwa. A cikin irin waɗannan ƙananan jama'a, allurar rigakafi na raguwa na iya inganta yawan haɗarin rigakafi ga mutum kuma inganta dangantakar farashi da fa'ida ga al'umma.  [<span title="This claim needs references to reliable sources. (March 2022)">citation needed</span>]

 Manazarta 

Rukuni:Rigakafi