Case Study on Improving HIV Testing and Services for Children Orphaned or made Vulnerable by HIV (OVC)
Testing Algorithm. Interim Guidance
Testing Algorithm. Interim Guidance
Policy and Legal Opportunities for HIV Testing Services and Civil Society Engagement
Building laboratory testing capacity
HIV testing services
Policy Brief
December 2016
Countries who have no testing capacity can send their samples to the WHO appointed 2019-nCoV referral laboratories for testing. National 2019-nCoV laboratories with limited experience are encouraged to send the first five positives and the first ten negative 2019-nCoV samples to their referral labor...atories for confirmation.
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Module 10
Testing providers
July 2017
Module 10: Testing providers. This module is for people who provide testing services at PrEP sites and laboratories. It offers guidance in selecting testing services, including screening of individuals before PrEP is initiated and monitoring while they ar...e taking PrEP. Information is provided on HIV testing, creatinine, HBV and HCV, pregnancy and STIs.
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For SARS-CoV-2 testing only
This document outlines minimum requirements of laboratory testing for COVID-19 and link laboratory testing with surveillance and contact tracing to guide the outbreak response by national health authorities using a reduced number of tests performed. The strategies are organized according to stages o...f transmission: (1) No cases reported or observed (Stage 0); (2) Imported cases (Stage 1); (3) Localized community transmission (Stage 2); (4) Large-scale community transmission (Stage 3). For each stage, the recommended approaches indicate which testing strategy to prioritize when there are severe limitations on laboratory testing. The document is based on the current epidemiology of COVID-19 and available molecular testing methods.
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Testing coverage is a critical component of pandemic response, providing a view on the data available to inform policy and monitor the effectiveness of public health measures. While many countries do not publish official numbers of tests conducted, others are doing this across individual websites, s...tatistical reports and press releases, often in multiple languages and updated with different periodicity. FIND is working to build a global picture of the testing coverage for COVID-19 and facilitate the accurate interpretation and study of case and death numbers.
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Contact tracing – along with robust testing, isolation and care of cases – is a key strategy for interrupting chains of transmission of SARS-CoV-2 and reducing mortality associated with COVID-19.
July 2021. This publication brings together important clinical and programmatic updates produced by WHO since 2016 and provides comprehensive, evidence-informed recommendations and good practice statements within a public health, rights-based and person-centred approach.
These guidelines bring in... the most recent guidance on HIV testing strategies - the entry point for HIV prevention and treatment - and include comprehensive guidance on infant diagnosis. Key recommendations are presented on rapid antiretroviral therapy (ART) initiation and the use of dolutegravir. Updated recommendations are included on the timing of ART for people with TB, and the use of point-of-care technologies for treatment monitoring.
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Orientação provisória 25 de junho de 2021
Recommendations for national testing strategies for SARS-CoV-2 and diagnostic capabilities
Technical guidelines for testing for COVID-19 in the clinical laboratories of the National Integrated Health System.
7 April 2022. Aimed at national policymakers, public health and healthcare planners, staff working in reception centres, and healthcare staff caring for displaced persons, the information note concludes that universal testing of incoming refugees from Ukraine for tuberculosis (TB) infection is not r...ecommended. Specific groups, such as household contacts of bacteriologically confirmed pulmonary cases, or those who are immunocompromised should however be considered for TB infection testing.
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n response to the outbreak, the Africa Centres for Disease Control and Prevention (Africa CDC) has been supporting African Union Member States in responding to the COVID-19 pandemic through a variety of interventions such as non-pharmaceutical interventions, quarantine, testing, isolation, contact t...racing, and clinical management. The Test to Treat guideline aims to increase continental testing efforts and reduce COVID-19 transmission in Africa and put-up response measures to control the impact of the virus, both to limit spread and to reduce substantially the risks of severe health outcomes related to COVID-19 infection. These countermeasures include highly effective vaccines and boosters, rapid testing options for monitoring exposure, and effective therapeutic options for both pre-exposure prevention and treatment of mild-to-moderate disease, oxygen therapy for moderate-severe disease, all of which can potentially be updated efficiently as new variants emerge that may affect the effectiveness of the available tools.
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Demographic and socioeconomic data Progress towards HIV testing and treatment cascade targets by 2025 (2023) Health sector cascade (2023) Estimated number of people newly infected with HIV
HIV testing programmes need to ensure that all clients who test for HIV are provided with correct diagnoses. The accuracy of HIV testing is critical to prevent misdiagnosis, as the consequences of giving an incorrect test result can be serious for clients, HIV testing services, HIV programmes and pu...blic 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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