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Hiv Testing Algorithms
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Book Synopsis Current Perspectives in HIV Infection by : Shailendra K. Saxena
Download or read book Current Perspectives in HIV Infection written by Shailendra K. Saxena and published by IntechOpen. This book was released on 2013-04-10 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of HIV and AIDS including NeuroAIDS, as well as general concepts of pathology, immunity and immunopathology, diagnosis, treatment, epidemiology and etiology to current clinical recommendations in management of HIV/AIDS including NeuroAIDS, highlighting the ongoing issues, recent advances and future directions in diagnostic approaches and therapeutic strategies.
Book Synopsis Systematic Screening for Active Tuberculosis by : World Health Organization
Download or read book Systematic Screening for Active Tuberculosis written by World Health Organization and published by World Health Organization. This book was released on 2013 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: There have been calls to revisit the experiences of TB screening campaigns that were widely applied in Europe and North America in the mid-20th century, as well as more recent experiences with TB screening in countries with a high burden of the disease, and to assess their possible relevance for TB care and prevention in the 21st century. In response, WHO has developed guidelines on screening for active TB. An extensive review of the evidence has been undertaken. The review suggests that screening, if done in the right way and targeting the right people, may reduce suffering and death, but the review also highlights several reasons to be cautious. As discussed in detail in this book, there is a need to balance potential benefits against the risks and costs of screening; this conclusion is mirrored by the history of TB screening. This publication presents the first comprehensive assessment by WHO of the appropriateness of screening for active TB since the recommendations made in 1974 by the Expert Committee. However, the relative effectiveness and cost effectiveness of screening remain uncertain, a point that is underscored by the systematic reviews presented in this guideline. Evidence suggests that some risk groups should always be screened, whereas the prioritization of other risk groups as well as the choice of screening approach depend on the epidemiology, the health-system context, and the resources available. This book sets out basic principles for prioritizing risk groups and choosing a screening approach; it also emphasizes the importance of assessing the epidemiological situation, adapting approaches to local situations, integrating TB screening into other health-promotion activities, minimizing the risk of harm to individuals, and engaging in continual monitoring and evaluation. It calls for more and better research to assess the impact of screening and to develop and evaluate new screening tests and approaches.
Book Synopsis HIV Screening and Access to Care by : Institute of Medicine
Download or read book HIV Screening and Access to Care written by Institute of Medicine and published by National Academies Press. This book was released on 2010-12-22 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: More than 200,000 people in the United States living with HIV/AIDS do not know they are infected. The Institute of Medicine's Committee on HIV Screening and Access to Care held a workshop and reviewed literature to explore barriers and facilitators to more widespread HIV testing. This book contains the committee's conclusions.
Book Synopsis Pooled Testing for Hiv Screening by : Lawrence M. Wein
Download or read book Pooled Testing for Hiv Screening written by Lawrence M. Wein and published by Forgotten Books. This book was released on 2018-03-06 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Pooled Testing for Hiv Screening: Capturing the Dilution Effect In the first years of the aids epidemic, numerous instances of aids infection caused by blood transfusion were reported to the Center for Disease Control. The incidence indi cated that the blood supply is a virtually frictionless pathway for spreading the epidemic, and the extent of the epidemic dictated that screening at the individual level should be adopted. As a consequence, all infected blood donors would be identified and a measurably safer blood supply would be attained. Nevertheless, the cost for such a screening program is substantial, and many developing countries, particularly in Africa where the epidemic is spreading rapidly, are struggling to fight the disease on limited budgets. Pooled testing is one potential way to reduce the monetary cost without compromising the accuracy of the tests. The rationale behind pooled testing is simple and intuitive: suppose we can pool the sera from ten (for example) individuals and test the pool using a single test. If the seroprevalence of hiv, which is the fraction of the population that is infected, is low enough, then there is a high probability that all ten individuals in the pool are hiv negative; in this case, we would learn from a single test what otherwise would be learned from ten individual tests. If, on the other hand, the test outcome is positive, then additional tests (either pooled or individual) would need to be carried out. However, pooled testing has a possible shortcoming, the dilution efiect: there is a serious concern that if the pool size is too large, then any hiv positive sera will be sufficiently diluted so as to become undetectable by the test. These false negatives can be extremely costly, particularly when pooled testing is employed to protect the blood supply. Moreover, infected individuals exhibiting an unusually low level of antibody concentration are less likely to be detected when screened in pools. Consequently, the sensitivity of the test can be seriously affected. (sensitivity is the probability of detecting a diseased individual, whereas specificity is the probability of detecting a healthy individual.) About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Optimizing HIV testing algorithms by :
Download or read book Optimizing HIV testing algorithms written by and published by World Health Organization. This book was released on 2021-11-26 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A standardized HIV testing strategy and quality-assured products are critical for accurate diagnosis, while poorly chosen testing algorithms can lead to misdiagnosis. Verification of testing algorithms provides objective evidence, before widespread implementation, that a specific combination of products will accurately diagnose HIV infection, thus reducing the risk of misdiagnosis. The toolkit aims to provide countries with the tools and content needed to effectively conduct a local verification assessment to update national HIV testing algorithms following WHO recommendations on HIV testing strategies. The toolkit consists of (1) a generic assessment protocol that can be adapted and submitted for local ethical clearance; (2) a test selection tool to assist with the selection of WHO prequalified HIV assays based on performance and operational characteristics; (3) a Gantt chart to plan and schedule the different project implementation activities; (4) a general budget required to conduct this assessment; (5) a checklist of test kits, consumables and supplies needed for placing a purchase order and; (6) a database to assist with data analysis.
Book Synopsis Screening Donated Blood for Transfusion-transmissible Infections by : World Health Organization
Download or read book Screening Donated Blood for Transfusion-transmissible Infections written by World Health Organization and published by World Health Organization. This book was released on 2010 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Blood transfusion is a life-saving intervention that has an essential role in patient management within health care systems. All Member States of the World Health Organization (WHO) endorsed World Health Assembly resolutions WHA28.72 (1) in 1975 and WHA58.13 (2) in 2005. These commit them to the provision of adequate supplies of safe blood and blood products that are accessible to all patients who require transfusion either to save their lives or promote their continuing or improving health." --Preface.
Book Synopsis Laboratory Quality Management System by : World Health Organization
Download or read book Laboratory Quality Management System written by World Health Organization and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Achieving, maintaining and improving accuracy, timeliness and reliability are major challenges for health laboratories. Countries worldwide committed themselves to build national capacities for the detection of, and response to, public health events of international concern when they decided to engage in the International Health Regulations implementation process. Only sound management of quality in health laboratories will enable countries to produce test results that the international community will trust in cases of international emergency. This handbook was developed through collaboration between the WHO Lyon Office for National Epidemic Preparedness and Response, the United States of America Centers for Disease Control and Prevention (CDC) Division of Laboratory Systems, and the Clinical and Laboratory Standards Institute (CLSI). It is based on training sessions and modules provided by the CDC and WHO in more than 25 countries, and on guidelines for implementation of ISO 15189 in diagnostic laboratories, developed by CLSI. This handbook is intended to provide a comprehensive reference on Laboratory Quality Management System for all stakeholders in health laboratory processes, from management, to administration, to bench-work laboratorians. This handbook covers topics that are essential for quality management of a public health or clinical laboratory. They are based on both ISO 15189 and CLSI GP26-A3 documents. Each topic is discussed in a separate chapter. The chapters follow the framework developed by CLSI and are organized as the "12 Quality System Essentials".
Book Synopsis Guide to Diagnostic Tests,Seventh Edition by : Diana Nicoll
Download or read book Guide to Diagnostic Tests,Seventh Edition written by Diana Nicoll and published by McGraw Hill Professional. This book was released on 2017-03-24 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: The essential guide to more than 450 of the most commonly performed diagnostic tests – updated with the latest molecular, genetic, and microbiological tests A Doody's Core Title for 2019! Guide to Diagnostic Tests, Seventh Edition is a concise guide to the selection and interpretation of more than 450 of the laboratory and microbiology tests most relevant to the general practice of medicine. This on-the-spot clinical companion also includes coverage of diagnostic imaging, electrocardiology, echocardiography, and the use of tests in differential diagnosis. Features: • Covers areas of internal medicine, pediatrics, surgery, neurology, and obstetrics and gynecology • Over 25 new or substantially revised laboratory tests • New and updated coverage of emerging and re-emerging pathogens and infectious agents,including the Zika and Ebola viruses • Updated material on molecular and genetic tests, including pharmacogenetics tests • An entire section of diagnostic algorithms • Full literature citations with PubMed identification (PMID) numbers included for each reference • Details costs and risks of various procedures and tests • Full section on electrocardiography and echocardiography If you’ve been looking for an authoritative, up-to-date, and easy-to-carry guide to the latest diagnostic testing procedures, your search ends here.
Book Synopsis Consolidated Guidelines on the Use of Antiretroviral Drugs for Treating and Preventing HIV Infection by : World Health Organization
Download or read book Consolidated Guidelines on the Use of Antiretroviral Drugs for Treating and Preventing HIV Infection written by World Health Organization and published by . This book was released on 2016 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: These guidelines provide guidance on the diagnosis of human immunodeficiency virus (HIV) infection, the use of antiretroviral (ARV) drugs for treating and preventing HIV infection and the care of people living with HIV. They are structured along the continuum of HIV testing, prevention, treatment and care. This edition updates the 2013 consolidated guidelines on the use of antiretroviral drugs following an extensive review of evidence and consultations in mid-2015, shared at the end of 2015, and now published in full in 2016. It is being published in a changing global context for HIV and for health more broadly.
Book Synopsis Pocket Book of Hospital Care for Children by : World Health Organization
Download or read book Pocket Book of Hospital Care for Children written by World Health Organization and published by World Health Organization. This book was released on 2013 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Pocket Book is for use by doctors nurses and other health workers who are responsible for the care of young children at the first level referral hospitals. This second edition is based on evidence from several WHO updated and published clinical guidelines. It is for use in both inpatient and outpatient care in small hospitals with basic laboratory facilities and essential medicines. In some settings these guidelines can be used in any facilities where sick children are admitted for inpatient care. The Pocket Book is one of a series of documents and tools that support the Integrated Managem.
Download or read book AIDS at 30 written by Ban Ki-moon and published by UN. This book was released on 2011 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume describes the worldwide state of the HIV/AIDS epidemic and possible ways forward. Marking the 30 years of AIDS, the report takes stock of the changes occurred in the AIDS epidemic and responses since the condition was first diagnosed in 1981. It also features commentaries from 15 leaders in the global AIDS response, including South Africa's President Jacob Zuma, former United States President Bill Clinton, former President of Brazil Luiz Inacio Lula da Silva, singer Angelique Kidjo and former UN Secretary-General Kofi Annan. It covers a wide range of areas, including the results achieved by HIV prevention efforts, the record number of people starting lifesaving treatment and the decline in resources for HIV. It also draws attention to the significant challenges remaining such as the gender inequalities and the increasing HIV prevalence among key populations at higher risk of infection.
Book Synopsis Encyclopedia of AIDS by : Thomas J. Hope
Download or read book Encyclopedia of AIDS written by Thomas J. Hope and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biosafety Guidelines for Diagnostic and Research Laboratories Working with HIV. by : World Health Organization
Download or read book Biosafety Guidelines for Diagnostic and Research Laboratories Working with HIV. written by World Health Organization and published by . This book was released on 1991 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines on Hepatitis B and C Testing by : World Health Organization
Download or read book Guidelines on Hepatitis B and C Testing written by World Health Organization and published by World Health Organization. This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Testing and diagnosis of hepatitis B (HBV) and C (HCV) infection is the gateway for access to both prevention and treatment services, and is a crucial component of an effective response to the hepatitis epidemic. Early identification of persons with chronic HBV or HCV infection enables them to receive the necessary care and treatment to prevent or delay progression of liver disease. Testing also provides an opportunity to link people to interventions to reduce transmission, through counselling on risk behaviors and provision of prevention commodities (such as sterile needles and syringes) and hepatitis B vaccination. These are the first WHO guidelines on testing for chronic HBV and HCV infection and complement published guidance by WHO on the prevention, care and treatment of chronic hepatitis C and hepatitis B infection. These guidelines outline the public health approach to strengthening and expanding current testing practices for HBV and HCV, and are intended for use across age groups and populations.
Book Synopsis Canadian Guidelines on Sexually Transmitted Infections by :
Download or read book Canadian Guidelines on Sexually Transmitted Infections written by and published by . This book was released on 2019 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis HIV, Viral Hepatitis and STIs by : Australasian Society for HIV Medicine
Download or read book HIV, Viral Hepatitis and STIs written by Australasian Society for HIV Medicine and published by . This book was released on 2014-07 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Consolidated guidelines on HIV testing services, 2019 by : World Health Organization
Download or read book Consolidated guidelines on HIV testing services, 2019 written by World Health Organization and published by World Health Organization. This book was released on 2018-11-07 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
