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Schistosomiasis, also known as Bilharzia, is an infection caused by a parasitic worm that lives in fresh water in subtropical and tropical regions. Schistosomiasis is second only to malaria as the most devastating parasitic disease. The parasites that cause schistosomiasis live in certain types of f
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reshwater snails. The infectious form, known as cercariae, emerge from the snail and then contaminate the water. People become infected when their skin comes into contact with the contaminated freshwater. Most human infections are caused by Schistosoma mansoni, Schistosoma haematobium, or Schistosoma japonicum.
more
Schistosomiasis is a helminthic infection and one of the neglected tropical diseases (NTDs). It is caused by blood flukes of the genus Schistosoma. It is an important public health problem, particularly in poverty-stricken areas, especially those within the tropics and subtropics. It is estimated th
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at at least 236 million people worldwide are infected, 90% of them in sub-Saharan Africa, and that this disease causes approximately 300,000 deaths annually. The clinical manifestations are varied and affect practically all organs. There are substantial differences in the clinical presentation, depending on the phase and clinical form of schistosomiasis in which it occurs. Schistosomiasis can remain undiagnosed for a long period of time, with secondary clinical lesion. Here, we review the clinical profile of schistosomiasis. This information may aid in the development of more efficacious treatments and improved disease prognosis.
more
People with Guinea worm disease (GWD) have no symptoms for about 1 year. Then, the person begins to feel ill. Symptoms can include the following:
Slight fever
Itchy rash
Nausea
Vomiting
Diarrhea
Dizziness
A blister then develops. This blister can
...
form anywhere on the skin. However, the blister forms on the lower body parts in 80%–90% of cases. This blister gets bigger over several days and causes a burning pain. The blister eventually ruptures, exposing the worm. The infected person may put the affected body part in cool water to ease the symptoms or may enter water to perform daily tasks, such as fetching drinking water. On contact with water, the worm discharges hundreds of thousands of larvae into the water.
more
Leptospirosis is a perplexing conundrum for many. In the existing literature, the pathophysiological mechanisms pertaining to leptospirosis is still not understood in full. Considered as a neglected tropical zoonotic disease, leptospirosis is culminating as a serious problem worldwide, seemingly exi
...
sting as co-infections with various other unrelated diseases, including dengue and malaria. Misdiagnosis is also common as non-specific symptoms are documented extensively in the literature. This can easily lead to death, as the severe form of leptospirosis (Weil’s disease) manifests as a complex of systemic complications, especially renal failure. The virulence of Leptospira sp. is usually attributed to the outer membrane proteins, including LipL32. With an armament of virulence factors at their disposal, their ability to easily adhere, invade and replicate within cells calls for a swift refinement in research progress to establish their exact pathophysiological framework. As an effort to reconstitute the current knowledge on leptospirosis, the basis of leptospiral infection, including its risk factors, classification, morphology, transmission, pathogenesis, co-infections and clinical manifestations are highlighted in this review. The various diagnostic techniques are also outlined with emphasis on their respective pros and cons.
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Leishmaniasis is a vector-borne disease with a broad global distribution and an increasing number of recorded cases worldwide. However, it is still one of the world's most neglected diseases. Over the last decades, the disease has been found to expand geographically with a global increase of cases o
...
f visceral and cutaneous leishmaniasis increasing the public health problems associated with the disease epidemics. The reported range expansion of the diseases has been associated with range expansions of vector populations in response to climate change. Leishmaniasis is caused by protozoan parasites of the genus Leishmania. The transmission can either be zoonotic and/or anthroponotic through the bite of an infected female phlebotomine sandfly. In Eurasia and Africa, all vector-competent sandfly species belong to the genus Phlebotomus. Cutaneous leishmaniasis (CL) is the most common form of leishmaniasis. In the ‘old world’, it is caused by five currently recognized Leishmania species: L. major, L. tropica and L. aethiopica (being main causative parasites) as well as L. infantum and L. donovani. Visceral leishmaniasis (VL), another common and more severe form of leishmaniasis, is only associated with the Leishmania species L. infantum and L. donovani. The specific Leishmania species cause different clinical symptoms in humans.
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Stunting as a Risk Factor of Soil-Transmitted Helminthiasis in Children: A Literature Review
Fauziah, N.; Ar-Rizqi, M.A.; Hana, S.
Interdisciplinary Perspectives on Infectious Diseases
(2022)
CC
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
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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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Leishmaniasis is a vector-borne tropical/subtropical disease caused by an intracellular parasite transmitted to humans by sand fly bite. It is endemic in Asia, Africa, the Americas, and the Mediterranean region. Worldwide reports include 1.5–2 million new cases each year, more than 300 million at
...
risk of acquiring the disease, and 70,000 deaths per year. Clinical features depend on the Leishmania species and immune response of the host, varying from localized cutaneous disease to visceral form with potentially fatal outcome; however, the common presentation is either cutaneous, mucocutaneous, or visceral leishmaniasis. Many therapeutic agents are being used in Leishmania treatment, but the only effective treatment is achieved with current pentavalent antimonials. WHO considers Leishmaniasis as one of the “Neglected Tropical Diseases” that continues to be prevalent despite international, national, and local efforts towards its control and elimination over the last decade. This chapter reviews the global perspective of Leishmaniasis with increasing recognition of emerging “Atypical forms” and new surge of disease across the world mainly due to increasing conflicts in endemic areas leading to forced migration among other causes. All these challenges related to environment, disease, and vector pose major implications on WHO’s leishmaniasis control and elimination plan.
more
Heart failure with a reduced ejection fraction (HFrEF) is a condition frequently encountered by healthcare professionals and, in order to achieve the best outcomes for patients, needs to be managed optimally. This guideline document is based on the European Society of Cardiology Guidelines for the t
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reatment of acute and chronic heart failure published in 2016, and summarises what is considered the best current management of patients with the condition. It provides information on the definition, diagnosis and epidemiology of HFrEF in the African context. The best evidence-based treatments for HFrEF are discussed, including established therapies (beta-blockers, ACE-i/ARBs, mineralocorticoid receptor antagonists (MRAs), diuretics) that form the cornerstone of heart failure management as well as therapies that have only recently entered clinical use (angiotensin receptor-neprilysin inhibitor (ARNI), sodium/glucose cotransporter-2 (SGLT2) inhibitors). Guidance is offered in terms of more invasive therapies (revascularisation, implantable cardioverter defibrillators (ICDs) and cardiac resynchronisation therapy (CRT) by implantation of a biventricular pacemaker with (CRT-D) or without (CRT-P) an ICD, left ventricular assist device (LVAD) use and heart transplantation) in order to ensure efficient use of these expensive treatment modalities in a resourcelimited environment. Furthermore, additional therapies (digoxin, hydralazine and nitrates, ivabradine, iron supplementation) are discussed and advice is provided on general preventive strategies (vaccinations). Sections to discuss conditions that are particularly prevalent in sub-Saharan Africa (HIV-associated cardiomyopathy (CMO), peripartum CMO, rheumatic heart disease, atrial fibrillation) have been added to further improve clinical care for these commonly encountered disease processes.
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Non-communicable diseases (NCDs) pose a substantial threat to many health systems, especially in low-income and middle-income countries (LMICs) where they are already overstretched. In the past few decades, deaths from NCDs in LMICs have spiked, whereas numbers in high-income countries have stabilis
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ed. Worryingly, a large proportion of deaths from NCDs (29%) in LMICs occur among people younger than 60 years compared with the proportion in high-income countries (13%). This finding has been attributed to poor access to effective and equitable health-care services in most LMICs. The threat of NCDs in LMICs was recognised by the UN 2011 High-Level Meeting, and is now featured in Sustainable Development Goal 3 in the form of reducing premature mortality from NCDs by one-third before 2030. Cardiovascular diseases (CVDs) are the leading cause of deaths from NCDs (ie, 48% of all NCDs deaths). Therefore, substantial reductions in CVDs will have a major impact on reducing the overall burden of NCDs globally. The good news is that most CVDs can be prevented by addressing the key underlying behavioural risk factors, such as physical inactivity, unhealthy diet, tobacco use, and harmful use of alcohol, through population-wide approaches. Among individuals with or at high risk of CVD, early detection and effective management with appropriate counselling and medicines can reduce cardiovascular deaths substantially.
The importance of effective treatment for CVD has been recognised in the Global NCD Action Plan 2013–20, for which one of the nine global targets is that at least 50% of eligible individuals should receive drug therapy and counselling to prevent heart attacks and strokes by 2025.5 Although admirable, this is a hard target to achieve given that secondary prevention strategies in LMICs are often unaffordable or unavailable.
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Does Diabetes make someone vulnerable to getting COVID-19:
People with Diabetes are not more likely to get the virus compared to the general public.
However, if they contact CoVID-19, people with diabetes are more likely to have serious complications and become seriously ill from COVID-19, than t
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hose who do not have diabetes.
If a person with diabetes gets COVID 19, he is more vulnerable to severe form of COVID-19 and is more likely to die than those without diabetes.
more
Public health emergencies, including pandemics, highlight the need for health systems and services that are prepared, resilient and ready to respond to health security threats. Endorsed by Member States in 2023, the Asia Pacific Health Security Action Framework (APHSAF) is designed to engage m
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ultisectoral actors in health security, and to reflect the complex nature of current and future public health emergencies. The Framework presents six interconnected, multisectoral domains of work that together form a comprehensive, multi-hazard health security system — emphasizing the One Health approach. The Framework also supports progress towards the Sustainable Development Goals and universal health coverage while meeting the responsibilities and obligations of the International Health Regulations (2005).
more
This module covers common Non-Communicable Diseases such as Hypertension, Diabetes and three common cancers (Cervical,
Breast and Oral cancer). The focus of this module is on building the knowledge and skills of the Multi-Purpose Workers (MPW) in
undertaking Population Based Screening, identifi ca
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tion of cases for referral, follow up, recognition of complications, prevention
and health promotion. This module can be used by the female
or male MPW. However, while the content of the overall module
is the same for both some tasks will be different, particularly
those related to screening which the female MPW will have to
undertake. It is expected that the ANM/MPW will work closely
with the ASHA in her area. Together they form a front line worker
team to serve the needs of the community. The content of this
module will be covered in three days.
more
Malawi is a landlocked country with a surface area of 118,484 km2. Administratively, the country is divided into three regions, namely the Northern, Central and Southern regions. The country has 28 districts, which are further divided into traditional authorities (TA) ruled by chiefs. The TAs are su
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b-divided into villages, which form the smallest administrative units. The Village Development Committees (VDCs) under the TAs are responsible for development activities. Politically, each district is divided into constituencies that are represented by Members of Parliament (MPs) in the National Assembly for purposes of legislations. Constituencies are further divided into wards which are represented by a ward councillor at district assembly.
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On 31 May 2022, the Konrad-Adenauer-Stiftung (KAS) Namibia – Angola Office handed over equipment to the Namibian Federation of the Visually Impaired (NFVI), at their head office in Windhoek. The main objective of this handover is to support the federation with equipment including a Perkins Braille
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r Classic Manual and a Tactile Heat Swell Form Machine, to aid the braille/transferal of text to braille. Additionally, to enable the federation to capacitate their members with the necessary resources, to bring crucial information closer to persons with visual impairments (inclusion) and promote practical application of the Namibian Constitution, with special reference to Chapter 3.
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An interdisciplinary approach to address global health challenges such as the Covid-19 pandemic, climate change, loss of biodiversity, human migration has been framed by the One Health approach. This approach is promoted at global level by the Tripartite of the World Health Organisation, the World A
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nimal Health Organisation, the Food and Agriculture Organisation of the United Nations, recently joint by the United National Environment Program to form the Quadripartite. The German government through its Ministry of Economic Cooperation and Development supports this approach with its One Health strategy and investment in several technical cooperation projects.
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We investigate whether and to what extent Chinese development finance affects infant mortality, combining 92 demographic and health surveys (DHS) for a maximum of 53 countries and almost 55,000 sub-national locations over the 2002-2014 period. We address causality by instrumenting aid with a set of
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interacted variables. Variation over
time results from indicators that measure the availability of funding in a given year. Cross-sectional variation results from a sub-national region’s “probability to receive aid.” Controlled for this probability in tandem with fixed effects for country-years and provinces, the interactions of these variables form powerful and excludable instruments. Our results show that Chinese aid increases infant mortality at sub-national scales, but decreases mortality at the countrylevel. In several tests, we show that this stark contrast likely results from aid being fungible within recipient countries.
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The Rectal Artesunate Tools & Training package has been developed to support the safe and effective use of artesunate rectal capsules (ARCs) as a pre-referral treatment for severe malaria, in line with WHO guidelines. Primarily aimed at community health workers operating in remote areas, the package
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provides step-by-step visual and written guidance on ARC administration. The training resources were field-tested in Malawi and Senegal, and refined based on user feedback to ensure clarity, usability and cultural appropriateness. The toolkit includes user guides and job aids in English, French and Portuguese, and was created in collaboration with MMV, the WHO, Save the Children, the IFRC, MSF and the Malaria Consortium. These tools form part of broader efforts to integrate ARC into national malaria strategies and strengthen the capacity for an early response in underserved settings.
Accessed on 03/07/2025.
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Every two minutes, a child under the age of 5 dies from malaria. Under-five children accounted for 67 per cent of all malaria deaths worldwide in 2018. Most of them occurred in sub-Saharan Africa where an estimated 24 million children were infected with its deadliest
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form. In addition to being the third-deadliest infectious disease for children, malaria infection and the costs of treatment traps families in a cycle of illness, suffering and poverty.This year’s World Malaria Day is marred by the emergence of the COVID-19 outbreak, which further threatens people’s lives and well-being. Public health officials are taking precautionary and often aggressive measures to limit transmission of this virus, including reductions in social movement, physical distancing, hand-washing and recommending the use of personal protection equipment in high-risk settings. However, while focusing on combating this disease, the world cannot afford to ignore other diseases, such as malaria.
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With an estimated population of about 5 million and an annual growth rate of 8 per cent, Dar es Salaam, Tanzania, is Africa’s fastest growing city.1 Over 70 per cent of the people live in informal, unplanned settlements with inadequate infrastructure. In addition, heavy rainfalls twice a year
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result in signifi cant fl ood risks. The objectives in Dar es Salaam were to 1) obtain high quality and up to date exposure maps of aff ected communities and as a stretch goal 2) to create a hydrological model using elevation data. Both of these would form important elements to managing fl ood risks but neither had been previously available due to a lack of high quality digital imagery
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Leishmaniasis is a neglected tropical disease that predominantly affects impoverished populations. It remains a significant health issue in four eco-epidemiological regions: the Americas, East Africa, North Africa, and West Asia and Southeast Asia. According to WHO’s Weekly epidemiological record
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(WER), 99 countries and territories are endemic for leishmaniasis. The cutaneous form of the disease, which is widespread globally, is endemic in 90 countries, while the more severe visceral form is endemic in 80 countries.
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