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HIV testing programmes need to ensure that all clients who test for HIV are provided with correct diagnoses. The accuracy of HIV testing is critica
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l to prevent misdiagnosis, as the consequences of giving an incorrect test result can be serious for clients, HIV testing services, HIV programmes and public health.
With the evolution of global HIV epidemiology, HIV testing approaches must also evolve to maintain accuracy and efficiency in population-level diagnosis. Reports suggest that misdiagnosis of HIV status may occur when suboptimal testing algorithms and out-of-date testing strategies are used. As a result of changing epidemiology and declining HIV positivity in testing, WHO recommends all countries use a standard three-test strategy to ensure a PPV of at least 99%, minimizing false-positive misdiagnosis. The WHO-recommended HIV testing strategy, along with quality assurance measures such as retesting to verify a positive diagnosis prior to initiation of HIV treatment, is cost-effective as it prevents misdiagnosis and unnecessary initiation of costly lifelong treatment.
This implementation guide provides practical advice on switching to a three-test strategy and instituting other measures that can help national HIV programmes deliver high-quality, accurate HIV testing services and ensure that misdiagnosis is minimized.
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The END TB Strategy
Интеграция совместного оказания услуг в связи с ТБ и ВИЧ во всеобъемлющий пакет помощи для потребителей инъекционных наркотиков
Fist Edition: January, 2012
Kingdom of Cambodia, Nation Religion King
Extract from report of GACVS meeting of 3-4 December 2009, published in the WHO Weekly Epidemiological Record on 29 January 2010
Accessed August 2018
Revised
TB and HIV concept note - Investing for impact against tuberculosis and HIV
The Global Fund To fight AIDS, Tuberculosis and Malaria
(2015)
C2
Single TB and HIV Concept Note Albania 2016-2018 27 April 2015
Optimizing HIV Investments in Armenia
C. Hamelmann; M. Manova; E. Masaki; et al.
Armenian National AIDS Center; The Global Fund; UNAIDS; UNDP; International Bank for Reconstruction and Development; et al.
(2019)
C2
Accessed: 29.09.2019
Endorsed by the CCM Georgia on April 15th 2015
Accessed: 26.09.2019
Biobehavioural Survey Guidelines - For Populations at risk for HIV
A. Abdul-Quader; M. Berry; T. Bingham; J. Burnett; et al.
Centers for Diseases Control and Prevention; UNAIDS; World Health Organization; et al.
(2017)
C_WHO
Global HIV Strategic Information Working Group