Epidemiology
Chagas disease (American trypanosomiasis) is caused by the protozoan parasite Trypanosoma cruzi, and transmitted to humans by infected triatomine bugs, and less commonly by transfusion, organ transplant, from mother to infant, and in rare instances, by ingestion of contaminated food or... drink.1-4 The hematophagous triatomine vectors defecate during or immediately after feeding on a person. The parasite is present in large numbers in the feces of infected bugs, and enters the human body through the bite wound, or through the intact conjunctiva or other mucous membrane.
Vector-borne transmission occurs only in the Americas, where an estimated 8 to 10 million people have Chagas disease.5 Historically, transmission occurred largely in rural areas in Latin America, where houses built of mud brick are vulnerable to colonization by the triatomine vectors.4 In such areas, Chagas disease usually is acquired in childhood. In the last several decades, successful vector control programs have substantially decreased transmission rates in much of Latin America, and large-scale migration has brought infected individuals to cities both within and outside of Latin America.
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Countries, partners, and donors are committed to the global elimination of blinding trachoma by 2020.
Achieving this public health milestone requires more than funding; it requires health personnel with the
right mix of skills, and well supported and managed health systems. Mass drug administratio...n (MDA)
with Zithromax®, the Pfizer, Inc. donated antibiotic, is a key component of the SAFE strategy, endorsed
by the World Health Organization. There is growing
recognition that improving all aspects of MDA, from
planning to training, recording to reporting, and
receipt of drug to distribution (the supply chain), will
be necessary if MDA programmes are going to reduce
the community burden of Chlamydia trachomatis, and
eliminate trachoma as a cause of blindness by 2020.
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Other disorders
Chapter H.5.1
NICE guideline
Published: 23 May 2017
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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Scientific advice
Prevention and control of communicable diseases in prison settings.
Cervical intraepithelial neoplasia (CIN) is a premalignant lesion that may exist at any one of three stages: CIN1, CIN2, or CIN3. If left untreated, CIN2 or CIN3 (collectively referred to as CIN2+) can progress to cervical cancer. Instead of screening and diagnosis by the standard sequence of cytolo...gy, colposcopy, biopsy, and histological confirmation of CIN, an alternative method is to use a ‘screen-and-treat’ approach in which the treatment decision is based on a screening test and treatment is provided soon or, ideally, immediately after a positive screening test. This guideline provides recommendations for strategies for a screen-and-treat programme
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The WHO Guide on Oral Cholera Vaccines in Mass Immunization Campaigns provides guidance on the planning and implementation of oral cholera vaccine (OCV) campaigns. It covers key aspects such as when and where to use OCVs, vaccine specifications, and recommendations for use in endemic areas, outbreak... settings, and complex emergencies. The document outlines steps for macro- and micro-planning, logistics, budgeting, human resource allocation, and risk communication. It also highlights challenges, including cold chain management, vaccine supply, and community engagement, ensuring that vaccination campaigns are efficient and effective in reducing cholera outbreaks.
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The revised guidelines present two major changes to existing guidelines: (A) there are now just 2 categories of pneumonia instead of 3 (“pneumonia” which is treated at home with oral amoxicillin and “severe pneumonia” which requires injectable antibiotics) and (B) oral amoxicillin replaces o...ral cotrimoxazole as first line treatment, preferably in 250mg dispersible tablet form, twice daily for five days which can be reduced to three days in low HIV settings.
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The guidelines are primarily intended for health-care professionals working in first- or second-level health-care facilities, including emergency, inpatient and outpatient services. They are also directed at policy-makers, health-care planners and programme managers, academic institutions, non-gover...nmental and civil society organizations to inform capacity-building, teaching and research agendas.
Web annex A provides the quantitative evidence reports, Web annex B summarizes the qualitative and economic evidence and Web annex C presents the Evidence-to-Decision frameworks.
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Review
www.co-hivandaids.com
Volume 12 Number 4 July 2017
The guide is organized into the major types of toxicities, the associated symp-toms, possible offending medications, and the suggested nursing assessments and interventions. Some symptoms (e.g. nausea) may be associated with a num-ber of underlying causes and may be mild, or a symptom of... a more serious medical situation requiring urgent attention. The pathophysiology for medica-tion-related fatigue and hypersalivation are unclear and these symptoms are not grouped under a specific type of toxicity. Additional information (comments) are provided for each toxicity to highlight relevant clinical information that may assist in management of side effects. Medications more strongly associated with the side effect appear in bold text. The appendices include tools nurses can use to more thoroughly assess patient complaints of pain, depression and neuropathy.
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This publication describes the first WHO public-benefit Target Product Profiles (TPPs) for snakebite antivenoms. It focuses on antivenoms for treatment of snakebite envenoming in sub-Saharan Africa. Four TPPs are described in the document:
Broad spectrum Pan-African polyvalent antivenoms: products ...that are intended for widespread utility throughout sub-Saharan Africa for treatment of envenoming irrespective of the species of snake causing a bite. Monovalent antivenoms for specific use cases: for products for a single species (or genus) of snake (e.g., boomslangs or carpet viper antivenoms).
Syndromic Pan-African polyvalent antivenoms for neurotoxic envenoming: products that are intended for treatment of envenoming by species whose venoms are neurotoxic. Syndromic Pan-African polyvalent antivenoms for non-neurotoxic envenoming: products for snakebite envenoming where the effects are largely haemorrhagic, necrotic or procoagulant.
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The consolidated guidelines are complemented by an operational handbook which is designed to assist with implementation of the WHO recommendations by Member States, technical partners and others who are involved in the management of patients with DR-TB. The WHO Operational Handbook on Tuberculosis, ...Module 4: Treatment - Drug-Resistant Tuberculosis Treatment provides practical guidance on how to put in place the recommendations at the scale needed to achieve national and global impact.
The document provides information on different aspects of care and support for TB patients. In particular, the handbook provides practical guidance on the implementation of the interventions that enable treatment adherence such as social support, treatment administration options, digital adherence technologies. The practical guidance also includes models of care for all TB patients, models of care for children and adolescents, integrated care for TB, HIV and comorbidities, engagement of private sector, managing of TB in health emergencies. This new practical handbook also includes two important chapters on health education and counselling, and palliative care for patients with TB.
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The recommendations in these guidelines promote the use of simple, non-invasive diagnostic tests to assess the stage of liver disease and eligibility for treatment; prioritize treatment for those with most advanced liver disease and at greatest risk of mortality; and recommend the preferred use of n...ucleos(t)ide analogues with a high barrier to drug resistance (tenofovir and entecavir, and entecavir in children aged 2–11 years) for first- and second-line treatment. Recommendations for the treatment of HBV/HIV-coinfected persons are based on the WHO 2013 Consolidated guidelines on the use of antiretroviral drugs for treating and preventing HIV infection, which will be updated in 2015.
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