Taenia saginata is a zoonotic tapeworm that is of economic importance in countries where cattle are kept. The parasite is transmitted from human tapeworm carriers (taeniosis) to bovines (cysticercosis) by excretion of eggs or proglottids containing eggs into the environment via the stool. Bovines ca...n then ingest the eggs through contaminated feed or water. After ingestion, the eggs hatch and release oncospheres in the small intestines, where the oncospheres penetrate the intestinal wall to reach the blood circulation. This distributes them throughout the body, but primarily to muscle tissue, where they develop into cysticerci. For humans to become infected with T. saginata, raw or undercooked bovine meat or offal containing infective cysts must be consumed. Bovine cysticercosis has been associated with various environmental factors related to water sources, such as animals having access to surface water, flooding of pastures and proximity to wastewater sources.
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Leishmaniases are a group of diseases of zoonotic importance caused by over 20 species of protozoa of the genus Leishmania, in which domestic dogs are considered to be the main reservoir for the disease. However, the involvement of other vertebrates as reservoirs for these parasites has also been in...vestigated. Therefore, the objective of the present study was to carry out a systematic review with meta-analysis on occurrences of leishmaniasis in equids. The case reports described animals with cutaneous symptoms of leishmaniasis (papules, nodules, ulcers or crusts) that regressed spontaneously, located mainly on the head and limbs, from which three species of protozoa were identified in the lesions: Leishmania braziliensis, Leishmania infantum and Leishmania siamensis. In turn, the meta-analysis showed a combined prevalence of 25%, although with high heterogeneity among the studies, which was attributed to the use of different methods for diagnosing the disease. Leishmaniasis in equids is a benign disease but it should be included in the differential diagnosis of cutaneous diseases among these species. Seroepidemiological studies are important in investigating and monitoring suspected exposure of these hosts to the parasite, especially in endemic areas. However, there is also a need to standardize diagnostic methods.
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A group of enzootic and zoonotic protozoan infections, the leishmaniases constitute among the most severely neglected tropical diseases (NTDs) and are found in all continents except Oceania. Representing the most common infectious diseases, NTDs comprise an open-ended list of some 20 parasitic, bact...erial, viral, protozoan and helminthic infections. Called “diseases of the poor,” because of their characteristic prevalence in poor populations regardless of a country's income status, they infect over one billion people in over 140 countries, with about 90% of the global burden in Africa. While NTDs do not contribute significantly to global deaths, they are debilitating and remain the most common infections among the poor worldwide, preventing them from escaping poverty by impacting livelihoods such as agriculture and livestock, and affecting cognitive, developmental and education outcomes.
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In 2014, an estimated 40 million women of reproductive age were infected with Schistosoma haematobium, S. japonicum and/or S. mansoni. In both 2003 and 2006, the World Health Organization (WHO) recommended that all schistosome-infected pregnant and breastfeeding women be offered treatment, with praz...iquantel, either individually or during treatment campaigns. In 2006, WHO also stated the need for randomized controlled trials to assess the safety and efficacy of such treatment. Some countries have yet to follow the recommendation on treatment and many programme managers and pregnant women in other countries remain reluctant to follow the recommended approach.
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The coronavirus disease (COVID-19) pandemic exacerbated pre-existing inequalities in the treatment and care of noncommunicable diseases (NCDs). This report examines the effect of the COVID-19 pandemic on access to NCD medicines, and the policies and strategies implemented by countries and health sys...tems to anticipate and mitigate stresses across NCD medicine supply chains. The full range of upstream and downstream impacts are investigated, including: manufacturing; procurement, importation and last mile delivery; patient-level effects through affordability and availability; and the effects on NCD medicine availability by category of disease. The report culminates in recommended actions and interventions for key stakeholders in the NCD pharmaceutical supply chain, including governments, regulatory authorities, manufacturers and the private sector; as well as directions for future research for improving access and supply chain access resilience.
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Antimicrobial resistance (AMR) as a serious public health threat was globally acknowledged by WHO in 2015, through the launch of the Global Action Plan (GAP). With a limited number of new antibiotics in the developmental pipeline, many countries are in the process of establishing strategies for anti...microbial stewardship (AMS). Within each country, different healthcare challenges have
contributed to AMR. This has also shaped individual AMS strategies and policies. In South Africa (SA), there is a high burden of infectious diseases, mainly of bacterial origin. In addition, SA also has the highest number of people living with
human immunodeficiency virus (HIV) globally. According to the 2019 statistics, there are approximately 7.97 million people living with HIV in SA. Together with this, SA has the fourth largest tuberculosis population globally.
Other important challenges include poverty, malnutrition, a high burden of non-communicable diseases, and a dire shortage of trained healthcare professionals (e.g. clinicians, pharmacists, and nurses).
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During the 17 years since Surgical approaches to the urogenital manifestations of lymphatic filariasis was first published, there has been heightened awareness of the physical, economic and emotional burden of the genitourinary manifestations of filariasis. With the impetus to provide better guidanc...e for care of those suffering from LF, this update was both warranted and timely.
At the outset, the Committee noted that barriers continue to exist in care of patients affected by LF-associated morbidity. These barriers include lack of information for patients as well as for many healthcare providers, including general surgeons and others within health systems
This update offers a new consensus of the Committee regarding the staging of hydroceles caused by LF, also known as “filariceles”. It recommends integrating LF surgery with other efforts to strengthen surgical care by assessing health facilities for their surgical readiness using the WHO surgical assessment tool or “SAT”. It also recommends integratinghernia surgery with hydrocele surgery and integrating standards for prevention of surgical site infection (SSI).
The update revises recommendations for standard procedures and processes, offers an algorithm for diagnosis (including the use of ultrasound) and discusses postoperative care. It recommends collecting data using the staging and grading system described by Capuano and Capuano along with other metrics for public health management of LF.
A multifaceted approach has therefore been recommended to coordinate public health outreach with national surgical planning and local health systems to include supporting partners such as nongovernmental organizations. Surgical camps with mobile teams, as well as training of personnel at DCP3 “first level” or WHO Level II hospitals (depending on region and resources), have important roles for reducing LF morbidity.
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Chagas disease is currently endemic and also predicted to be at increased transmission risk under future climate change scenarios. Similarly, an expansion of areas in the United States at increased risk for Chagas disease transmission is also expected over the next several decades under climate chan...ge scenarios. Of particular interest is the predicted northern shift of triatomine species to central regions of the United States with historically unsuitable climates for T. cruzi vectors. The weight of evidence regarding the influences climate change may pose on T. cruzi vector species distributions demonstrates the sensitivity of Chagas disease transmission to future climate variability. In order to advance forecasts for the impact climate change may have on Chagas disease transmission in the Americas, it is imperative to
further develop, utilize, and perhaps combine predictive species distribution modeling approaches that integrate accurate, long term data on climate variables, vector species distributions, Chagas disease incidence, as well as other socio-ecological variables.
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Accessed on 04.04.2023
The Drugs for Neglected Diseases initiative (DNDi) is an international
non-profit organization that discovers, develops, and delivers safe,
effective, and affordable treatments for the most neglected patients
As a high-burden neglected tropical disease, soil-transmitted helminth (STH) infections remain a major problem in the world, especially among children under five years of age. Since young children are at high risk of being infected, STH infection can have a long-term negative impact on their life, i...ncluding impaired growth and development. Stunting, a form of malnutrition in young children, has been long assumed as one of the risk factors in acquiring the STH infections. However, the studies on STH infection in children under five with stunting have been lacking, resulting in poor identification of the risk. Accordingly, we collected and reviewed existing related research articles to provide an overview of STH infection in a susceptible population of stunted children under five years of age in terms of prevalence and risk factors. There were 17 studies included in this review related to infection with Ascaris lumbricoides, Trichuris trichiura, hookworm, and Strongyloides stercoralis from various countries. The prevalence of STH infection in stunted children ranged from 12.5% to 56.5%. Increased inflammatory markers and intestinal microbiota dysbiosis might have increased the intensity of STH infection in stunted children that caused impairment in the immune system. While the age from 2 to 5 years along with poor hygiene and sanitation has shown to be the most common risk factors of STH infections in stunted children; currently there are no studies that show direct results of stunting as a risk factor for STH infection. While stunting itself may affect the pathogenesis of STH infection, further research on stunting as a risk factor for STH infection is encouraged.
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Following the publication of Guidelines on certification of elimination of human onchocerciasis in 2001 by the World Health Organization (WHO), these are the first evidence-based guidelines developed by NTD Department according to the international standards. They provide a set of recommendations th...at would guide national programme managers in collaboration with their respective oversight committees on when to stop mass drug administration (MDA) and conduct post-treatment surveillance (PTS) activities for a minimum period of 3 to 5 year before confirming the interruption of transmission of Onchocerca volvulus parasite and hence its elimination. They also include steps to undertake for verification of elimination of transmission of the parasite in the whole endemic country by the International Verification Team (IVT) prior to the official acknowledgement by WHO Director General.
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Ce rapport inclut des analyses tirées des consultations régionales informelles menées dans la Région africaine, dans les Caraïbes et en Amérique du Nord, dans la Région européenne, dans la Région de la Méditerranée orientale, en Amérique latine ainsi que dans la Région de l’Asie du Su...d-Est, auxquelles s’ajoutent trois rencontres organisées dans la Région du Pacifique occidental. Il analyse les similitudes globales, les nuances régionales et les priorités mises en avant dans les six Régions de l’OMS pour la participation significative des personnes avec une expérience vécue.
Il s’agit du deuxième rapport d’une collection de l’OMS intitulée De l’intention à l’action, qui doit servir à constituer une série de ressources pour renforcer la base de données probantes sur l’impact de la participation significative, qui est pour le moment limitée, et à combler le manque d’approches normalisées pour mettre en oeuvre la participation significative. À cette fin, la collection De l’intention à l’action a été pensée comme plateforme pour que les personnes avec une expérience vécue ainsi que les organisations et institutions à la pointe sur ces questions puissent échanger sur les solutions, les difficultés et les pratiques prometteuses relatives à cet objectif transversal. Elle vise également à fournir des récits et des modèles puissants, ainsi que des données probantes dans la perspective de la quatrième réunion publique de haut niveau des Nations Unies sur les MNT, qui devrait se tenir en 2025, et en vue d’atteindre les objectifs de développement durable (ODD) à l’horizon 2030.
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The Global Report on Food Crises (GRFC) 2023 highlights that the number of people experiencing high levels of acute food insecurity and requiring urgent food and livelihood assistance increased for the fourth consecutive year in 2022. Over a quarter of a billion people were estimated to face acute h...unger, with economic shocks and the Ukraine war contributing to the increase. In 2022, around 258 million people across 58 countries and territories faced acute food insecurity at crisis or worse levels (IPC/CH Phase 3-5), up from 193 million people in 53 countries and territories in 2021.
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Hand hygiene is vital for safe health care delivery, yet practices at the point of care remain suboptimal worldwide. A comprehensive research agenda is therefore necessary to improve our understanding of factors influencing hand hygiene behaviour and to strengthen appropriate interventions. This age...nda will provide insightful ideas for researchers to focus their projects and funding proposals and will direct donors towards the areas of hand hygiene evidence that require urgent support and innovation. It will also guide decision-makers and stakeholders at the national and international level and support country efforts in updating and strengthening hand hygiene promotion programmes. Global collaboration and investment in hand hygiene research remain essential to promote safe and effective care worldwide.
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The WHO standard: Universal access to rapid tuberculosis diagnostics sets benchmarks to achieve universal access to WHO-recommended rapid diagnostics (WRDs), increase bacteriologically confirmed tuberculosis and drug resistance detection, and reduce the time to diagnosis. WHO-recommended rapid diagn...ostics are highly accurate, cost-effective, reduce the time to treatment initiation, and impact patient-important outcomes.
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This document puts forward the joint position and vision of an expert, global, multistakeholder working group on implementing Kangaroo Mother Care (KMC) for all preterm or low birth weight (LBW) infants as the foundation for small and/or sick newborn care within maternal, newborn, and child health p...rogrammes, and spur collaborative global action. The document summarizes the background information, evidence, and rationale for making KMC available to every preterm or LBW newborn and seeks to galvanize the international maternal, newborn, and child health community and families to come together to support the implementation of KMC for all preterm or LBW infants to improve their and their mothers and families health and well-being.
This position paper is intended to be used by policy-makers (i.e. those responsible for national policy, guideline development and budget allocation), development partners, programme managers, health workforce leadership, practising clinicians, civil society leadership (e.g. parent and professional organizations) and researchers/research organizations involved in KMC implementation research.
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The KMC implementation strategy targets a broad audience. These include policy-makers and programme managers at national, regional and local levels, government and nongovernmental organizations working in the area of maternal and newborn care, global and national professional associations, public an...d private hospital management at all levels of care, and facility- and community-based maternal and infant care providers.
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The guidance in this publication consists of generic definitions and methodologies for the characterization of extreme weather and climate events. This publication contribute to ensuring consistent exchange of information that underpins the WMO State of the Climate Reports, Climate Watches, climate ...change studies and other emerging applications.
The purpose of the present guidelines is not to change the practice at the national level. Instead, it provides guidance for generic definitions, which are useful in contributing to WMO State of the Climate reports, climate watches, climate change studies and other emerging applications, including the recently adopted methodology for cataloguing hazardous events (WMO-CHE). These applications require regional and/or international exchange of information on extreme events.
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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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Children continue to be exposed to powerful food marketing, which predominantly promotes foods high in saturated fatty acids, trans-fatty acids, free sugars and/or sodium and uses a wide variety of marketing strategies that are likely to appeal to children. Food marketing has a harmful impact on chi...ldren’s food choice and their dietary intake, affects their purchase requests to adults for marketed foods and influences the development of their norms about food consumption. Food marketing is also increasingly recognized as a children’s rights concern, given its negative impact on several of the rights enshrined in the United Nations Convention on the Rights of the Child.This WHO guideline provides Member States with recommendations and implementation considerations on policies to protect children from the harmful impact of food marketing, based on evidence specific to children and to the context of food marketing. Guidelines on other policies to improve the food environment are currently under development.
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