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Parasites - American Trypanosomiasis (also known as Chagas Disease)

Centers for disease control and prevention CDC (2019) C_CDC

In areas of Mexico, Central America, and South America, where the Trypanosoma cruzi parasite is present in triatomine bugs, improved housing and spraying insecticide inside housing to eliminate the bugs has significantly decreased the spread of Chagas disease. Screening of blood donations for Chagas... more

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Parasites - Guinea Worm

Center for Disease Control and Prevention CDC (2003) CC

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 blis... more

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Parasites - Leishmaniasis - Epidemiology & Risk Factors

Center for Disease Control and Prevention CDC (2020) C_CDC

Leishmaniasis is found in people in focal areas of approximately 90 countries in the tropics, subtropics, and southern Europe. The ecologic settings range from rain forests to deserts. Leishmaniasis usually is more common in rural than in urban areas, but it is found in the outskirts of some cities... more

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Parasites - Onchocerciasis (also known as River Blindness)

Center for Disease Control and Prevention CDC (2019) CC

Onchocerciasis, or river blindness, is a neglected tropical disease (NTD) caused by the parasitic worm Onchocerca volvulus. It is transmitted through repeated bites by blackflies of the genus Simulium. The disease is called river blindness because the blackfly that transmits the infection lives and ... more

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Parasites - Scabies Prevention and Control

Center for Disease Control and Prevention CDC (2018) CC

When a person is infested with scabies mites the first time, symptoms typically take 4-8 weeks to develop after being infested. However, an infested person can transmit scabies, even if they do not have symptoms. Scabies usually is passed by direct, prolonged skin-to-skin contact with an infested pe... more

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Parasites-Schishosomiasis

Centers for Disease Control and Prevention CDC (2018) CC

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 malaria as the most devastating parasitic disease. Sc... more

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Parasites - Leishmaniasis

Centers for disease control and prevention (CDC) (2020) C_CDC

Leishmaniasis is a parasitic disease that is found in parts of the tropics, subtropics, and southern Europe. Leishmaniasis is caused by infection with Leishmania parasites, which are spread by the bite of infected sand flies. There are several different forms of leishmaniasis in people. The most com... more

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An Update on the Knowledge of Parasite–Vector Interactions of Chagas Disease

Schaub, G. Research and Reports in Tropical Medicine (2022) CC

This review focusses on the interactions between the etiologic agent of Chagas disease, Trypanosoma cruzi, and its triatomine vector. The flagellate mainly colonizes the intestinal tract of the insect. The effect of triatomines on trypanosomes is indicated by susceptibility and refractoriness phenom... more

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Chagas Disease: Life cycle of the parasite (human stages)

Barcelona Institute for Global Health (ISGlobal) (2015) CC

This motion graphic shows how the kissing bug transmits the Trypanosoma cruzi parasite to humans and causes Chagas disease.

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Bench aids for the diagnosis of intestinal parasites 2nd edition
recommended

World Health Organization WHO (2019) C_WHO

2nd edition

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National Guidelines for Implementation of Parasite Based Diagnosis of Malaria in Uganda

Ministry of Health, Uganda (2013) C1

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Training Manual on Diagnosis of Intestinal Parasites

WHO (1998) C_WHO

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.

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Schistosomiasis Morbidity Hotspots: Roles of the Human Host, the Parasite and Their Interface in the Development of Severe Morbidity

Mawa, P.; Kincaid-Smith, J.; Tukahebwa, E. et al Frontiers in Immunology (2021) CC

Species of the genus Schistosoma are digenetic trematodes and the causative agents of the Neglected Tropical Disease (NTD) schistosomiasis; a parasitic disease that ranks second only to malaria in terms of socioeconomic impacts. Over 220 million people worldwide are currently infected, 90% of whom l... more

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Microscopie pour la détection, l’identification et la quantification des parasites du paludisme sur frottis sanguins ou gouttes épaisses colorés dans les environnements de recherche
recommended

Organisation Mondiale de la Santé OMS (2020) CC

procédures : guide méthodologique

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Microscopy for the detection, identification and quantification of malaria parasites on stained thick and thin blood films in research settings

World Health Organization (2015) C_WHO

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Challenges of DHS and MIS to capture the entire pattern of malaria parasite risk and intervention effects in countries with different ecological zones: the case of Cameroon

Massoda Tonye, S.G. ; C. Kouambeng, R. Wounang et. al. Malaria Journal (2018) C1

Massoda Tonye et al. Malar J (2018) 17:156 https://doi.org/10.1186/s12936-018-2284-7 Background: In 2011, the demographic and health survey (DHS) in Cameroon was combined with the multiple indicator cluster survey. Malaria parasitological data were collected, but the survey period did not overl... more

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Current epidemiological evidence for predisposition to high or low intensity human helminth infection: a systematic review

Wright J.E., Werkman M., Dunn J.C. et al Parasites and Vectors (2018) C2

Background: The human helminth infections include ascariasis, trichuriasis, hookworm infections, schistosomiasis, lymphatic filariasis (LF) and onchocerciasis. It is estimated that almost 2 billion people worldwide are infected with helminths. Whilst the WHO treatment guidelines for helminth infecti...ons are mostly aimed at controlling morbidity, there has been a recent shift with some countries moving towards goals of disease elimination through mass drug administration, especially for LF and onchocerciasis. However, as prevalence is driven lower, treating entire populations may no longer be the most efficient or cost-effective strategy. Instead, it may be beneficial to identify individuals or demographic groups who are persistently infected, often termed as being “predisposed” to infection, and target treatment at them. Methods: The authors searched Embase, MEDLINE, Global Health, and Web of Science for all English language, humanbased papers investigating predisposition to helminth infections published up to October 31st, 2017. The varying definitions used to describe predisposition, and the statistical tests used to determine its presence, are summarised. Evidence for predisposition is presented, stratified by helminth species, and risk factors for predisposition to infection are identified and discussed. Results: In total, 43 papers were identified, summarising results from 34 different studies in 23 countries. Consistent evidence of predisposition to infection with certain species of human helminth was identified. Children were regularly found to experience greater predisposition to Ascaris lumbricoides, Schistosoma mansoni and S. haematobium than adults. Females were found to be more predisposed to A. lumbricoides infection than were males. Household clustering of infection was identified for A. lumbricoides, T. trichiura and S. japonicum. Ascaris lumbricoides and T. trichiura also showed evidence of familial predisposition. Whilst strong evidence for predisposition to hookworm infection was identified, findings with regards to which groups were affected were considerably more varied than for other helminth species. Conclusion: This review has found consistent evidence of predisposition to heavy (and light) infection for certain human helminth species. However, further research is needed to identify reasons for the reported differences between demographic groups. Molecular epidemiological methods associated with whole genome sequencing to determine ‘who infects whom’ may shed more light on the factors generating predisposition. more

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Parasitic Diseases Lectures #28: Lymphatic Filariasis

Parasites Without Borders (2018) CC

Dickson and Daniel discuss lymphatic filariasis caused by the helminths Wuchereria bancrofti and Brugia malayai.

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Taenia solium taeniosis/cysticercosis and the co-distribution with schistosomiasis in Africa

Braae, U.; Saarnak, C.; Mukaratirwa, S. et al. Parasites and Vectors (2015) CC

The major neglected tropical diseases, Taenia solium taeniosis/cysticercosis and schistosomiasis caused by Schistosoma mansoni or S. haematobium are presumed to be widely distributed in Africa. Taenia solium taeniosis/ cysticercosis has been reported as an emerging disease in different regions of Af... more

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Epidemiology of Taenia saginata taeniosis/cysticercosis: a systematic review of the distribution in the Americas

Braae, U.; Thomas, L.; Roberson, L. et al. Parasites and Vectors (2018) CC

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... more

Bench aids for the diagnosis of intestinal parasites 2nd edition recommended

Microscopie pour la détection, l’identification et la quantification des parasites du paludisme sur frottis sanguins ou gouttes épaisses colorés dans les environnements de recherche recommended

Bench aids for the diagnosis of intestinal parasites 2nd edition
recommended

Microscopie pour la détection, l’identification et la quantification des parasites du paludisme sur frottis sanguins ou gouttes épaisses colorés dans les environnements de recherche
recommended