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Schistosomiasis is Africa's second most common parasitic disease. Less than 20 years ago, over 200 million were infected. In many high-risk areas the Schistosomiasis Control Initiative (SCI) has been helping to tackle the disease by offering treatments to millions of children. This book tells the story of a man, Alan Fenwick, who founded the SCI to control the worms and snails and so improve the lives of many burdened with the disease as well as reducing the numbers infected. Over this period SCI and the Ministries of Health and Education in 16 countries delivered over 220 million treatments. Treatment coverage of up to 75% has been achieved. Widely recognised as a cost-effective and successful intervention, SCI's knock-on effects include improving overall physical health, school attendance and future prospects for millions of people.
The soil-transmitted nematode parasites, or geohelminths, are - called because they have a direct life cycle, which involves no intermediate hosts or vectors, and are transmitted by faecal contamination of soil, foodstuffs and water supplies. They all inhabit the intestine in their adult stages but most species also have tissue-migratoryjuvenile stages, so the disease manifestations they cause can therefore be both local and systemic. The geohelminths together present an enormous infection burden on humanity. Those which cause the most disease in humans are divided into three main groupings, Ascaris lumbricoides (the large roundworm), Trichuris trichiura (whipworm), and the blood-feeding hoo...
Schistosomiasis is a public health problem in tropical and subtropical regions of Africa, Asia, the Caribbean and South America. It is one of the neglected tropical diseases (NTDs) - a group of diseases and conditions that affect particularly low-income populations, worldwide. Last year, WHO launched a new road map for 2021-2030 that aims to end the suffering from NTDs by 2030, in line with the Sustainable Development Goals. The road map specifically targets the elimination of schistosomiasis as a public health problem, globally. This guideline provides evidence-based recommendations in the following areas: prevalence thresholds, target age groups and frequency of PC, establishment of WASH and snail control activities to support control and elimination of schistosomiasis, diagnostic tests for the assessment of schistosomiasis infection in animal reservoirs, in snail hosts, and in humans. The guideline will provide support to Member States, programme managers, health workers and other stakeholders on the implementation of national schistosomiasis control and elimination programme.
Security and development matter: they often involve issues of life and death and they determine the allocation of truly staggering amounts of the world's resources. Particularly since the start of the wars in Afghanistan and Iraq, there has been momentum in policy circles to merge the issues of security and development to attempt to end conflicts, create durable peace, strengthen failing states, and promote the conditions necessary for people to lead healthier and more prosperous lives. In many ways this blending of security and development agendas seems admirable and designed to produce positive outcomes all around. However, it is often the case that the two concepts in combination do not r...
This is a thoroughly revised edition of a well-received reference work on helminthiases and their impact on worldwide public health. The carefully presented collection covers both common and neglected helminth infections. Readers will discover an up-date overview to helminth epidemiology (including molecular typing), specific biological, immunological and immunopathological aspects, diagnosis and latest perspectives of control. New contributions give particular attention to economic consequences of helminthiases, deworming programs and future public health approaches, as well as most recent findings in host immune responses. Helminths are long-lived multicellular organisms that have co-evolv...
Neglected tropical diseases (NTDs) afflict more than 1.4 billion people, many of whom live on less than $1.25 a day. While there are effective ways to manage NTDs, policy-makers and funders have only recently begun to recognize the economic and public health importance of controlling NTDs. The IOM's Forum on Microbial Threats held a workshop September 21-22, 2010, to discuss the science of and policy surrounding NTDs.
This report provides information about new diagnostic approaches, new therapeutic regimens and better understanding of the distribution of the disease with high-quality mapping. The roles of human and animal reservoirs and the tsetse fly vectors that transmit the parasites are emphasized. The new information has formed the basis for an integrated strategy with which it is hoped that elimination of HAT will be achieved. The report also contains recommendations on the approaches that will lead to elimination of the disease. Human African Tryponosomiasis (HAT) is a disease that afflicts populations in rural Africa, where the tsetse fly vector that transmits the causative trypanosome parasites t...
In 1917, in Khartoum, Dr. J.B. Christopherson experimentally treated seventy bilharzia patients with injections of antimony tartrate, an early chemotherapy. His was the first successful treatment. Antimony had never been tried on bilharzia patients before, or so he believed. This biography examines the turbulent life of this medical pioneer, his fight for priority and his struggle for professional survival amid the politics of exclusion in General Wingate's Sudan. His was a career full of paradoxes: acclaimed for intercepting a smallpox outbreak, building a hospital and satellite clinics, he battled accusations and removal as director of the Medical Department. From the Boer War, two decades in Sudan, his capture and release in Serbia to his time in France in WW1, controversy seldom left him.
Volume 4 of the Guidelines for the safe use of wastewater, excreta and greywater provides information on the assessment and management of risks associated with microbial hazards. It explains requirements to promote the safe use of excreta and greywater in agriculture, including minimum procedures and specific health-based targets, and how those requirements are intended to be used. This volume also describes the approaches used in deriving the guidelines, including health-based targets, and includes a substantive revision of approaches to ensuring microbial safety
Powerful stories of the debilitating effects of neglected tropical diseases throughout the world, highlighting the successes and challenges of those fighting to eliminate them. Neglected tropical diseases (NTDs) affect over one billion of the world's poorest people. More than 170,000 people die from NTDs each year, and many more suffer from blindness, disability, disfigurement, cognitive impairment, and stunted growth. Yet NTDs are treatable and preventable, and the annual cost of treatment is incredibly low. In Under the Big Tree, public health leader Ellen Agler and award-winning writer Mojie Crigler tell the moving stories of those struggling with these diseases and the life-saving work t...