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Infectious Disease: Parasitic Diseases

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Total 121 results found since Jan 2013.

Life history data on the fly parasitoids Aleochara nigra Kraatz and A. asiatica Kraatz (Coleoptera: Staphylinidae), and their potential application in forensic entomology
Abstract: Knowledge of the developmental time of the immature stages of necrophagous flies has been the main tool for estimating minimum post-mortem intervals (min PMIs) in forensic entomology. Many parasitic insects can alter the development of immature stages of flies and thus affect min PMI estimates. The larvae of most species of Aleochara rove beetles are ectoparasitoids of the pupae of cyclorrhapha flies. Among them, some species that parasitise necrophagous flies may have forensic importance. Two Taiwanese Aleochara species, A. nigra and A. asiatica, which visit carrion sites were studied herein. All five necrophago...
Source: Forensic Science International - September 23, 2013 Category: Forensic Medicine Authors: Shou-Wang Lin, Shiuh-Feng Shiao Tags: Research Articles Source Type: research

Entomology: Parasite drives host to nectar
Nature 505, 7484 (2014). doi:10.1038/505457b Mosquitoes carrying a malaria-causing parasite develop an increased desire for sugar.Baldwyn Torto of the International Centre of Insect Physiology and Ecology in Nairobi and his colleagues monitored the attraction of Anopheles gambiae mosquitoes (pictured) to plant odours and the investigative behaviour
Source: Nature - January 22, 2014 Category: Research Tags: Research Highlights Source Type: research

With flying colors: Top entomology students honored with wasp species named after them
(Pensoft Publishers) The highly divergent parasitic wasps have long been causing headaches to scientists. At one point, taxonomists began using some genera as 'dumping grounds for unplaced members' simply to organize the species. Two entomologists have recently addressed one such issue by describing 10 new genera and even more new species in the open-access journal ZooKeys. Two of the new species are named after excellent entomology students and one bears the name of a mythological monster.
Source: EurekAlert! - Biology - March 13, 2017 Category: Biology Source Type: news

Identification of mosquitoes (Diptera: Culicidae): an external quality assessment of medical entomology laboratories in the MediLabSecure Network
Identification of vectors is of prime importance in the field of medical entomology for both operational and research purposes. An external quality assessment of mosquito identification capacities was carried ...
Source: Parasites and Vectors - October 23, 2018 Category: Microbiology Authors: Fr édéric Jourdain, Marie Picard, Tatiana Sulesco, Nabil Haddad, Zoubir Harrat, Samer Saleh Sawalha, Filiz Günay, Khalil Kanani, Taher Shaibi, Denys Akhramenko, M’hammed Sarih, Enkelejda Velo, Lusine Paronyan, Igor Pajovic, Chafika Faraj, Irakli Sikh Tags: Research Source Type: research

Delusional parasitosis: an entomological perspective after a 20-years-experience in two public medical and veterinary entomology laboratories
Acta Trop. 2022 Jul 21:106614. doi: 10.1016/j.actatropica.2022.106614. Online ahead of print.ABSTRACTDelusional parasitosis (DP) is psychiatric disorder characterized by the unshakeable belief of being infested by endo- or ectoparasites, without any evidence of infestations. Hence, DP sufferers often consult medical entomologists or dermatologists, rather than seeking help from a mental health practitioner. Here we present 39 cases of suspected DP occurred in twenty years in two Italian public medical entomology laboratories, to highlight their common features and peculiarities, based on the interviews and material brought...
Source: Acta Tropica - July 25, 2022 Category: Infectious Diseases Authors: Federico Romiti Adele Magliano Irene Del Lesto Lorena Filugelli Fabrizio Montarsi Sara Carlin Claudio De Liberato Source Type: research

Linking environmental variability to village-scale malaria transmission using a simple immunity model.
CONCLUSIONS: The model presented has a novel structure constituting a mechanistic link between spatial and temporal environmental variability and village-scale malaria transmission. Incorporating acquired immunity into the model has allowed simulation of prevalence in the two villages, and isolation of the effects of acquired immunity in dampening the difference in prevalence between the two villages. Without these effects, the difference in prevalence between the two villages would have been significantly larger in response to the large differences in mosquito populations and the associated biting rates. PMID: 239195...
Source: Bulletin of the World Health Organization - August 7, 2013 Category: Global & Universal Authors: Yamana TK, Bomblies A, Laminou IM, Duchemin JB, Eltahir EA Tags: Parasit Vectors Source Type: research

Impact, economic evaluation, and sustainability of integrated vector management in urban settings to prevent vector-borne diseases: a scoping review
ConclusionsIVM has an impact on reducing vector breeding sites and the entomology index, but evidence of impacts on health outcomes is limited. Social outcomes are improved abilities and capacities, empowerment, and community knowledge. Economic evaluations are scarce, and cost-effectiveness is dependent on illness incidence. Community capacity building is the main component of sustainability, together with collaboration, institutionalization, and routinization of activities. Findings indicate a great heterogeneity in the interventions and highlight the need for characterizing interventions rigorously to facilitate transferability.
Source: Infectious Diseases of Poverty - September 3, 2018 Category: Infectious Diseases Source Type: research

New Mosquito Species Could Derail Fight Against Malaria
Stagnant water in one of Nairobi’s residential areas. Credit: Wilson Odhiambo/IPSBy Wilson OdhiamboNAIROBI, May 8 2023 (IPS) ‘Urban’ Kenya has been alerted because new mosquito species, Anopheles stephensi, threatens to derail decades of effort made in the fight against malaria. According to a report by experts from the Kenya Medical Research Institute (KEMRI), the species was first noted during routine mosquito surveillance in Saku and Laisamis villages in Marsabit County. The report states that, unlike the traditional mosquito vector, the Anopheles stephensi can adapt to man-made habitats that include plastic cont...
Source: IPS Inter Press Service - Health - May 8, 2023 Category: International Medicine & Public Health Authors: Wilson Odhiambo Tags: Africa Climate Change Development & Aid Environment Featured Headlines Health Humanitarian Emergencies TerraViva United Nations IPS UN Bureau IPS UN Bureau Report Kenya Source Type: news

This Year Might Be the Worst Tick Season Ever. Here ’ s Why
Marci Silbert wasn’t walking far on the evening of May 6. She, her husband, and another couple were visiting friends for dinner, and after eating, took a brief stroll down a short path to a small pond on their hosts’ property in the Berkshires in Massachusetts. They lingered for just a few moments, and then walked back. But that was all it took. The next day, her husband noticed a tick embedded in his forearm. Silbert had one on the inside of her knee, and the husband in the other couple had one on his thigh. Out of an abundance of caution, they went to the hospital, had them removed, and were given prophylacti...
Source: TIME: Health - June 20, 2023 Category: Consumer Health News Authors: Jeffrey Kluger Tags: Uncategorized climate change Disease Environment healthscienceclimate Source Type: news

Mosquito Genome Altered In Step Toward Controlling Parasites And Disease
Virginia Tech researchers successfully used a gene disruption technique to change the eye color of a mosquito - a critical step toward new genetic strategies aimed at disrupting the transmission of diseases such as dengue fever. Zach Adelman and Kevin Myles, both associate professors of entomology in the College of Agriculture and Life Sciences and affiliated researchers with the Fralin Life Science Institute, study the transmission of vector-borne diseases and develop novel methods of control, based on genetics...
Source: Health News from Medical News Today - March 26, 2013 Category: Consumer Health News Tags: Tropical Diseases Source Type: news

Identification of cryptic Anopheles mosquito species by molecular protein profiling.
Abstract Vector control is the mainstay of malaria control programmes. Successful vector control profoundly relies on accurate information on the target mosquito populations in order to choose the most appropriate intervention for a given mosquito species and to monitor its impact. An impediment to identify mosquito species is the existence of morphologically identical sibling species that play different roles in the transmission of pathogens and parasites. Currently PCR diagnostics are used to distinguish between sibling species. PCR based methods are, however, expensive, time-consuming and their development requ...
Source: Genomics Proteomics ... - May 22, 2013 Category: Genetics & Stem Cells Authors: Müller P, Pflüger V, Wittwer M, Ziegler D, Chandre F, Simard F, Lengeler C Tags: PLoS One Source Type: research