Soil-transmitted helminths are a group of intestinal worms that include Ascaris lumbricoides (giant roundworm), Trichuris trichiura (whipworm), and Ancylostoma spp. (A. duodenale, ...bute-to-highlight medbox">A. ceylanicum) and Necator americanus (hookworms). Despite the clear biological differences among the different species, their transmission is characterized by the same sequence of events: (i) infected individuals excrete worm eggs through their stool in soil; (ii) under optimal conditions of moisture and temperature the excreted eggs develop into infectious stages; and (iii) finally, infection occurs through oral uptake (Ascaris, Ancylostoma and Trichuris) or skin penetration (Ancylostoma and Necator) of these infectious stages (embryonated eggs and third stage larvae) that reside in the soil and/or in the environment (referring to their common name).
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Urogenital schistosomiasis is a common neglected tropical disease in many rural communities in African countries, with patches of infection in the Eastern Mediterranean Region. Globally, an estimated 239 million people are currently infected, with b...urden estimated at more than 3.5 million disability-adjusted life years (DALYs). In many endemic areas, severely infected individuals may suffer fibrosis of the bladder, kidney damage, bladder cancer, and death if untreated. This, however, depends on several factors such as host-parasite genetics, degree and length of exposure, intensity of infection, host immune response to the parasites, and coinfections with other tropical diseases such as malaria and HIV-1.
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Coordinated Use of Anthelminthic Drugs in Control Interventions: a Manual for Health Professionals and Programme Managers
Le Cadre d’action régional vise à aider les États Membres, l’OMS et tous les autres donateurs et partenaires à travailler ensemble pour remédier systématiquement et progressivement aux div...erses faiblesses relevées dans les principaux domaines programmatiques et/ou de contribuer à renforcer les composantes pertinentes des systèmes de santé, de façon à fournir un accès universel et équitable aux
interventions et aux services essentiels liés aux MTN, notamment pour les populations marginalisées et peu accessibles, et à parvenir rapidement à la maîtrise et à l’élimination des MTN.
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Esta segunda edición de Medios auxiliares para el diagnóstico de las parasitosis intestinales tienen por objeto servir tanto de manual dirigido a los trabajadores de laboratorio y sobre el terreno en países con endemicidad, como de material didá...ctico para los estudiantes y las personas en formación. En este documento se ofrece orientación para elegir la preparación en los diferentes métodos copromicroscópicos y la técnica de tinción principal para el diagnóstico de los parásitos intestinales (nematodos, trematodos, cestodos y protozoos). Las microfotografías presentan la apariencia y las características diagnósticas de los diferentes parásitos en las diversas preparaciones. Los medios auxiliares se elaboraron en un formato plastificado impermeable que es sólido y fácil de usar en la mesa de laboratorio. Se recomienda su uso a todos los profesionales de salud que se ocupan del diagnóstico corriente de las parasitosis intestinales.
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Le présent document expose des recommandations exhaustives de l’OMS sur les soins prénatals systématiques à l’intention des femmes enceintes et des adolescentes. Le but de ces recommandations est de compléter les directives de l’OMS exist...antes sur la prise en charge des complications spécifiques associées à la grossesse. Elles sont destinées à refléter et à répondre à la nature complexe des problèmes entourant la pratique et la délivrance des soins prénatals et à donner la priorité à la santé et au bien-être de la personne – et pas seulement à la prévention de la mortalité et de la morbidité – selon une démarche visant le respect des droits de l’homme.
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L'eau potable et les services d'assainissement et d'hygiène (WASH) sont essentiels à la prévention des 17 maladies tropicales négligées (MTN) pour lesquelles une intensification de la lutte ou l'élimination sont prévues ...-to-highlight medbox">à l'horizon 2020.
La fourniture d’eau potable et de services d’assainissement et d’hygiène est l’une des cinq interventions clés inscrite dans la feuille de route mondiale contre les MTN. Pourtant, à ce jour, la composante WASH de la stratégie n’a reçu que peu d’attention et le potentiel lié à la mise en commun des efforts WASH et MTN reste largement inexploité.
Des efforts ciblés sur la composante WASH sont nécessaires de toute urgence pour atteindre les cibles de la feuille de route mondiale contre les MTN.
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The new WHO Guidelines on Sanitation and Health summarize the evidence on the effectiveness of a range of sanitation interventions and provide a comprehensive framework for health-protecting sanitat...ion, covering policy and governance measures, implementation of sanitation technologies, systems and behavioural interventions, risk-based management, and monitoring approaches. Critically, the guidelines articulate the role of the health sector in maximizing the health impact of sanitation interventions.
The guidelines also identify gaps in the evidence-base to guide future research efforts to improve the effectiveness of sanitation interventions.
(French, Spanish, Russian, Arabic in production)
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This manual summarizes key issues related to the safety of NTD medicines and their administration, with a focus on essential medicines used in mass drug administration (MDA), also called preventive chemotherapy. It can be used as ...ute-to-highlight medbox">a standalone reference manual, but is intended to be used in conjunction with the accompanying training modules, which provide practical instruction, and the aide-mémoires. Versions of the aide-mémoires and training modules are available respectively for both (i) programme managers and district-level health officials and (ii) community drug distributors and community health workers
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Since 1996, trachoma has been targeted for elimination as a public health problem worldwide. The active trachoma criterion for national elimination as a public health problem is ...te-to-highlight medbox">a TF1–9 < 5%, sustained for at least two years in the absence of antibiotic mass drug administration (MDA), in each formerly endemic EU. Using A, F and E, health ministries and their partners have made considerable progress towards achieving this criterion in formerly endemic EUs worldwide. In 2002, an estimated 1517 million people lived in EUs in which EU-wide implementation of the A, F and E components of SAFE were thought to be needed for the purposes of global elimination of trachoma as a public health problem; by June 2021, that number had fallen to 136.2 million, a 91% reduction. Approximately 85% of the 136.2 million people living in EUs needing A, F and E in June 2021 were in WHO’s African Region.
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Updated 2 June 2022.#
This entry contains the Status Report of WHO Collaborating Centres in the Americas by Country and a new document with information of Collaborating Centres by Outcome of the Strategic Plan of the Pan American Health Organizatio...n 2020‑2025.
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This guideline provides global, evidence-informed recommendations on daily iron supplementation in infants and children, as a public-health intervention for the prevention of anaemia and iron deficiency. It includes recommendations for iron suppleme...ntation in countries where malaria is prevalent.
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Health ministries currently lack effective tools for monitoring and evaluation of schistosomiasis control programmes. Egg detection can be used, but the cost, challenges of obtaining samples, and the need for trained personnel and equipment limit the frequency of monitoring. The purpose of this TPP ...is to guide the development of new diagnostic tools to reliably measure when prevalence is above or below a cut-off of 10% in school-aged children. Communities remaining above 10% require annual MDA, while communities below 10% can reduce MDA frequency as long as < 10% prevalence can be maintained. However, the lack of a reliable test has hindered the development of maintenance strategies. The test is also needed to track changes of prevalence > 10% to ensure that annual MDA is reducing overall prevalence.
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The World Health Organization (WHO) and the global community of countries, partners, donors, technical experts, scientists and field implementation teams continue to work towards the ultimate goal of a world free of the burden of neglected tropical ...diseases (NTDs).
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La schistosomiase humaine est une maladie parasitaire chronique et aigüe causée par une infection par des douves du sang (vers trématodes) du genre Schistosoma. Cette maladie est un problème de santé publique dans les zones tropicales et
subtropicales d’Afrique, d’Asie, des Caraïbes et d...Amérique du Sud. Environ 779 millions de personnes sont exposées au risque de contracter l’infection (1). Quelque 236,6 millions de personnes avaient besoin d’une chimiothérapie préventive en 2019
(2).La schistosomiase est une maladie tropicale négligée (MTN), un groupe de diverses maladies et affections qui touchent principalement les populations à faible revenu dansle monde entier
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The World Health Organization (WHO) is releasing the second edition of its Global Accelerated Action for the Health of Adolescents (AA-HA!) guidance. The document aims to equip governments to respond to the health and well-being challenges, opportunities and needs of adolescents.
The guidance pro...vides the latest available data on adolescent health and well-being. It also outlines an updated list of core indicators that data should be collected on. Globally, road injury was the top cause of death for adolescent males in 2019. Among female adolescents, the leading causes of death were diarrhoeal diseases among the younger group (10-14 years) and tuberculosis (TB) in the older group (15-19 years).
Over the last 20 years, mortality rates have declined among adolescents globally, with the largest decline in older (15–19 years) adolescent girls. For non-fatal diseases, the burden has not improved over the past two decades, with the main causes of ill health in this category being: mental health conditions (depressive and anxiety disorders, childhood behavioural disorders), iron deficiency anaemia, skin diseases and migraine.
Adolescent well-being depends on a range of factors, including healthy food, education, life skills and employability, connectedness, feeling valued by society, safe and supportive environments, resilience, and the freedom to make choices. To take an appropriately holistic approach, the guidance outlines how to take crosscutting action to support adolescent health and well-being, with mutually reinforcing interventions across sectors, such as health, education, social protection, and telecommunications. Targeted efforts are also required to engage adolescents, as they trust health systems less than adults do and are especially vulnerable to modern-day trends, like online bullying and gaming.
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based on the WHO Bench Aids for the diagnosis of intestinal parasites;
Tutor’s Guide: perform specific laboratory techniques; identify intestinal parasites by genus and species; quantify helminth eggs in faeces by Kato-Katz procedure.