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Tuesday, August 4, 2020 | History

2 edition of Bilharzia, snails, and control in East Africa found in the catalog.

Bilharzia, snails, and control in East Africa

A. W. Choudhry

Bilharzia, snails, and control in East Africa

a guide to health workers

by A. W. Choudhry

  • 184 Want to read
  • 28 Currently reading

Published by Choudhry in [Nairobi] .
Written in English

    Places:
  • Africa, East,
  • Africa, East.
    • Subjects:
    • Schistosomiasis -- Africa, East -- Transmission.,
    • Snails as carriers of disease -- Africa, East.,
    • Bulinus.,
    • Biomphalaria.,
    • Mollusks -- Africa, East.,
    • Snails -- Control -- Africa, East.,
    • Schistosomiasis -- Africa, East -- Prevention.

    • Edition Notes

      Includes bibliographical references.

      StatementA.W. Choudhry.
      Classifications
      LC ClassificationsRA644.S3 C46
      The Physical Object
      Pagination38 p. :
      Number of Pages38
      ID Numbers
      Open LibraryOL4712576M
      LC Control Number77980384

        Snail-borne parasitic diseases, such as angiostrongyliasis, clonorchiasis, fascioliasis, fasciolopsiasis, opisthorchiasis, paragonimiasis and schistosomiasis, pose risks to human health and cause major socioeconomic problems in many tropical and sub-tropical countries. In this review we summarize the core roles of snails in the life cycles of the parasites they host, their clinical. Aagaard-Hansen, J., Mawanga, J. R. & Bruun, B. () Social science perspectives on schistosomiasis control in Africa: past trends and future directions. Parasitology (13), – Ageel, A. & Amin, M. () Integration of schistosomiasis control activities into the primary health care system in the Gizan region, Saudi Arabia.

        Bilharzia is of concern throughout East Africa, especially among people living around bodies of water such as lakes, rivers, irrigation schemes and swamps, where the snails which spread the bilharzia-causing parasites [schistosomes] thrive, according to Joyce Onsongo of Kenya's communicable and vector disease control department. servation that schistosomiasis outbreaks occur following construction of water resources, which serve as breeding sites for snails, control of the snail intermedi-ate host is rarely a primary objective in schistosomiasis control programs3. Snail Control Synthetic molluscicides (niclosamide) have been widely used, but, in Africa.

      Schistosomiasis is a chronic disease linked to poverty and is widely endemic, particularly in sub-Saharan Africa. For decades, the World Health Organization has called for a larger role of the primary health care system in schistosomiasis control, and its integration within the routine activities of primary health care facilities. Here, we reviewed existing studies on the integration of.   Mao’s China falsely claimed it had eradicated schistosomiasis – and it’s still celebrating that ‘success’ in propaganda today Aug am EDT Xun Zhou, University of Essex.


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Bilharzia, snails, and control in East Africa by A. W. Choudhry Download PDF EPUB FB2

Bilharzia, or schistosomiasis, is a parasitic disease that can result in serious damage to the internal organs. A river fluke or worm that lives in snails causes it, affecting the urinary system Author: Yvette Brazier. Schistosomiasis, also known as snail fever and bilharzia, is a disease caused by parasitic flatworms called schistosomes.

The urinary tract or the intestines may be infected. Symptoms include abdominal pain, diarrhea, bloody stool, or blood in the urine. Those who have been infected for a long time may experience liver damage, kidney failure, infertility, or bladder : Schistosomes from freshwater snails.

Schistosomiasis, also known as bilharzia, is a disease caused by parasitic worms. Although the worms that cause schistosomiasis are not found in the United States, people are infected worldwide. In terms of impact this disease is second only to.

The control of schistosomiasis is based on large-scale treatment of at-risk population groups, access to safe water, improved sanitation, hygiene education, and snail control. The WHO strategy for schistosomiasis control focuses on reducing disease through periodic, targeted treatment with praziquantel through the large-scale treatment.

Bilharzia Statistics. According to the World Health Organization, over million people required preventative treatment for bilharzia in Cases of bilharzia transmission have been reported from 78 different countries worldwide. It can be caught in parts of Asia and South America, but is most prevalent in Africa, especially in tropical central and sub-Saharan nations.

Schistosomiasis is classically described as a rural disease that occurs in areas with poor sanitary conditions. However, over recent decades, there has been an expansion of schistosomiasis foci towards urban areas faced with a rapid and disordered urbanization. In Bamako, Mali, the impact of environmental change on vector-borne diseases such as schistosomiasis is not well known.

Bilharzia is of concern throughout East Africa, especially among people living around bodies of water such as lakes, rivers, irrigation schemes and swamps, where the snails which spread the. The control of schistosomiasis is based on large-scale treatment of at-risk population groups, access to safe water, improved sanitation, hygiene education and snail control.

The WHO strategy for schistosomiasis control focuses on reducing disease through periodic, targeted treatment with. BIOLOGICAL CONTROL 1, () Use of Indigenous Fishes to Control Schistosome Snail Vectors in Malawi, Africa S. CHIOTHA,* K.

MCKAYE,t AND J. STAUFFER, JR.$ *Department of Biology, University of Malawi, P.O. BoxZomba, Malar, Africa; tAppalachian Environmental Laboratory, University of Maryland, Gunter Hall, Frostburg, Maryland ; and $.

Application of chemical molluscicides, either by blanket or focal treatments, was the most common approach to snail control at Schistosoma transmission sites in Africa and the Americas during the s–s. Although copper sulfate and sodium pentachlorophenate were in use in the s, niclosamide became the compound most frequently studied in published reports after [].

An estimated 85% of the world’s cases of schistosomiasis are in Africa, where prevalence rates can exceed 50% in local populations. Schistosoma mansoni and S.

haematobium are distributed throughout Africa; only S. haematobium is found in areas of the Middle East, and S. japonicum is found in Indonesia and parts of China and Southeast Asia. In a broader perspective, Webbe and Jordan advanced the knowledge of schistosomiasis in East Africa, which included Uganda, Kenya and Tanzania In the seventies, studies by Ongom documented the epidemiology and consequence of S.

mansoni infection among Jonam in a fishing village of Panyagoro and Panyimur in West N Control strategies to reduce human schistosomiasis have evolved from ‘snail picking’ campaigns, a century ago, to modern wide-scale human treatment campaigns, or preventive chemotherapy. Unfortunately, despite the rise in preventive chemotherapy campaigns, just as many people suffer from schistosomiasis today as they did 50 years ago.

Snail control can complement preventive. East Africa Medical Journal Vol. 91 No. 7 July being associated with schistosomiasis snails. Only 3% of including caregivers in the planning and implementation schistosomiasis control. Bilharzia is one of the most serious diseases in Kenya estimated to have infected over two million people and more than million worldwide.

It is a water-borne disease transmitted by certain. Charles H. King, in Tropical Infectious Diseases (Third Edition), Introduction. Schistosomiasis remains one of the most prevalent helminthic infections in the world. It is found in tropical and subtropical areas of South America, Africa, the Middle East, East Asia, and the Philippines.

1,2 Recent updates to World Health Organization (WHO) estimates indicate that more than million. Schistosomiasis, also known as bilharzia, is an infection caused by a parasitic worm that lives in fresh water in subtropical and tropical regions.

The parasite is most commonly found throughout Africa, but also lives in parts of South America, the Caribbean, the Middle East and Asia. By considering more sophisticated models, allowing for the latent period of infection in the snails, and also for spatial and seasonal heterogeneity, the effective proportion of infected snails, from the point of view of Macdonald's model, is shown to be rather larger, and expressions are given whereby it can be evaluated from observable.

Studies of snail populations from a number of separated areas in East Africa have shown that there are marked seasonal trends both in the density and breeding of the snails and in patterns of transmission of schistosomiasis.

These trends are closely related to the climatic conditions, particularly the rainfall. This information can be used for the planning and timing of control measures to. East Africa Medical Journal Vol. 91 No. 7 July know about aquatic plants being associated with schistosomiasis snails.

Only 3% of the respondents associated snails with schistosomiasis transmission. Sixty percent to make the control of schistosomiasis more effective and sustainable in endemic areas (8, ). In its. The control of schistosomiasis is based on large-scale treatment of at-risk population groups, access to safe water, improved sanitation, hygiene education, and snail control (Gryseels, Causal Agents.

Schistosomiasis (Bilharziasis) is caused by some species of blood trematodes (flukes) in the genus three main species infecting humans are Schistosoma haematobium, S. japonicum, and S. other species, more localized geographically, are S. mekongi, S.

intercalatum, and S. guineensis (previously considered synonymous with S. intercalatum).Zika virus, dengue, filariasis, leishmaniasis, and onchocerciasis (river blindness) are other diseases carried by insects found in East Africa.

Entering freshwater ponds, lakes, and rivers can expose travelers to Schistosoma spp., a parasite found in freshwater snails (see Chapter 4, Schistosomiasis).