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https://www.readbyqxmd.com/read/29148884/epidemiology-of-schmallenberg-virus-in-european-bison-bison-bonasus-in-poland
#1
Julia Kęsik-Maliszewska, Michał K Krzysiak, Maria Grochowska, Lech Lechowski, Christopher Chase, Magdalena Larska
Schmallenberg virus (SBV), an emerging arbovirus in Europe, is an important pathogen in domestic ruminants; however, its impact on free-ranging wild ruminants is not well studied. Three hundred and forty-seven serum samples collected between 2011 and 2016 from 302 European bison (Bison bonasus) from 12 different sites in Poland were tested for the presence of SBV antibodies. In addition, 86 sera were collected between 2013 and 2016 from three species of cervids for testing for SBV antibodies. After the first detection of the virus in Poland in October 2012, the proportion of SBV-seropositive European bison reached 81% (95% confidence interval [CI]: 77...
November 17, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29147722/-dengue-fever-symptoms-epidemiology-entomology-pathogen-diagnosis-and-prevention
#2
D Wiemer, H Frickmann, A Krüger
Dengue infections are among the most frequent causes of febrile disease in tropical climates. Infections are caused by a flavivirus transmitted by the Aedes mosquito. Aedes aegypti mosquitos are the main transmitters of Dengue viruses. Since these insects are both diurnal and container breeders, particular prevention and control measures are required. Symptom severity varies and can range from a mild, flu-like clinical picture to severe hemorrhage and shock. The most common symptoms experienced by travelers include fever, muscular pain, headaches and skin rash...
November 16, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29145859/singapore-s-anopheles-sinensis-form-a-is-susceptible-to-plasmodium-vivax-isolates-from-the-western-thailand-myanmar-border
#3
Sook-Cheng Pang, Chiara Andolina, Benoit Malleret, Peter R Christensen, Sai-Gek Lam-Phua, Muhammad Aliff Bin Abdul Razak, Chee-Seng Chong, Daiqin Li, Cindy S Chu, Bruce Russell, Laurent Rénia, Lee-Ching Ng, Francois Nosten
BACKGROUND: Singapore has been certified malaria-free by the World Health Organization since November 1982. However, sporadic autochthonous malaria outbreaks do occur. In one of the most recent outbreaks of vivax malaria, an entomological investigation identified Anopheles sinensis as the most probable vector. As metaphase karyotype studies divided An. sinensis into two forms, A and B, with different vector competence: the investigation of vector competence of An. sinensis found in Singapore was thus pursued using Plasmodium vivax field isolates from the Thailand-Myanmar border...
November 16, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29145842/age-specific-plasmodium-parasite-profile-in-pre-and-post-itn-intervention-period-at-a-highland-site-in-western-kenya
#4
Ednah N Ototo, Guofa Zhou, Lucy Kamau, Jenard P Mbugi, Christine L Wanjala, Maxwell Machani, Harrysone Atieli, Andrew K Githeko, Guiyun Yan
BACKGROUND: Monitoring and evaluation of entomological, parasitological and clinical data is an important component of malaria control as it is a measure of the success of the interventions. In many studies, clinical data has been used to monitor trends in malaria morbidity and mortality. This study was conducted to demonstrate age dependent prevalence of malaria in the pre- and post-interventions period. METHODS: A series of cross-sectional malaria parasitological surveys were conducted in Iguhu, western Kenya...
November 16, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29145405/drivers-of-house-invasion-by-sylvatic-chagas-disease-vectors-in-the-amazon-cerrado-transition-a-multi-year-state-wide-assessment-of-municipality-aggregated-surveillance-data
#5
Raíssa N Brito, David E Gorla, Liléia Diotaiuti, Anália C F Gomes, Rita C M Souza, Fernando Abad-Franch
BACKGROUND: Insecticide spraying efficiently controls house infestation by triatomine bugs, the vectors of Trypanosoma cruzi. The strategy, however, is ineffective against sylvatic triatomines, which can transmit Chagas disease by invading (without colonizing) man-made structures. Despite growing awareness of the relevance of these transmission dynamics, the drivers of house invasion by sylvatic triatomines remain poorly understood. METHODS/FINDINGS: About 12,000 sylvatic triatomines were caught during routine surveillance in houses of Tocantins state, Brazil, in 2005-2013...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29145003/the-importance-of-saprinus-semistriatus-coleoptera-histeridae-for-estimating-the-minimum-post-mortem-interval
#6
I Szelecz, N Feddern, C V W Seppey, J Amendt, E A D Mitchell
In forensic science, the use of entomological evidence to estimate the minimum post-mortem interval can be crucial. However, not all cadaver-visiting insects are equally useful. Our focus is on the histerid beetle Saprinus semistriatus (Scriba 1790) (Histeridae; Coleoptera). Histeridae are common predators that feed mainly on dipteran larvae on carrion and dung. We review 23 publications mentioning this species and provide new experimental data on its temporal pattern beneath and on hanging pig cadavers. In a field experiment near Neuchâtel, Switzerland, we recorded the abundance of S...
November 10, 2017: Legal Medicine
https://www.readbyqxmd.com/read/29141714/falciparum-malaria-outbreak-in-sabah-linked-to-an-immigrant-rubber-tapper
#7
Saffree Mohammad Jeffree, Kamruddin Ahmed, Nazarudin Safian, Rohaizat Hassan, Omar Mihat, Khamisah Awang Lukman, Shamsul Bahari Shamsudin, Fadzilah Kamaludin
Sabah is a Malaysian state situated in the northern part of Borneo, and it is endemic for malaria. The incidence of malaria is the lowest (0.05/1,000 population) in Penampang districts of Sabah. In June 26, 2012, two Plasmodium falciparum malaria cases were notified to public health department from a village in Penampang. Immediate investigation was initiated to identify the risk factors and to institute control measures. We performed active case finding by asking household members of all houses in the village regarding malaria symptoms and by examining blood smears...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29134038/the-use-of-low-cost-compact-cameras-with-focus-stacking-functionality-in-entomological-digitization-projects
#8
Jan E J Mertens, Martijn Van Roie, Jonas Merckx, Wouter Dekoninck
Digitization of specimen collections has become a key priority of many natural history museums. The camera systems built for this purpose are expensive, providing a barrier in institutes with limited funding, and therefore hampering progress. An assessment is made on whether a low cost compact camera with image stacking functionality can help expedite the digitization process in large museums or provide smaller institutes and amateur entomologists with the means to digitize their collections. Images of a professional setup were compared with the Olympus Stylus TG-4 Tough, a low-cost compact camera with internal focus stacking functions...
2017: ZooKeys
https://www.readbyqxmd.com/read/29125244/abundance-and-distribution-of-anopheles-mosquitoes-in-a-malaria-endemic-area-along-the-thai-lao-border
#9
Nattapol Marasri, Hans J Overgaard, Anchana Sumarnrote, Kanutcharee Thanispong, Vincent Corbel, Theeraphap Chareonviriyaphap
Malaria is an important public health problem in Thailand, especially along international borders. In this study, we conducted a longitudinal entomological survey in six villages and rubber plantation sites to address the spatio-temporal abundance and behavior of malaria vectors in Ubon Ratchathani Province along the Thailand-Laos border. Adult female mosquitoes were collected by human landing collections (indoor and outdoor) and by cattle bait collections twice per year, during rainy and dry seasons. Mosquitoes were morphologically identified and sibling species were determined by allele-specific PCR...
December 2017: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/29117879/human-parasitology-worldwide-research
#10
Jose Antonio Garrido-Cardenas, Concepción Mesa-Valle, Francisco Manzano-Agugliaro
In this article, the trends in human parasitology have been studied through the analysis of the number of publications in this area. The parameters studied were: number of articles, language, countries and institutions with the highest number of publications, and keywords with greater presence in the articles of human parasitology. The results of the analysis confirm the growing interest in this area, observing an exponential growth in the number of publications in the last decades. We also verified that the main country in terms of scientific production is the USA, although among the most important institutions, we find non-US centres such as the Oswaldo Cruz Foundation and the London School of Hygiene and Tropical Medicine...
November 9, 2017: Parasitology
https://www.readbyqxmd.com/read/29117180/the-additional-benefit-of-residual-spraying-and-insecticide-treated-curtains-for-dengue-control-over-current-best-practice-in-cuba-evaluation-of-disease-incidence-in-a-cluster-randomized-trial-in-a-low-burden-setting-with-intensive-routine-control
#11
Maria Eugenia Toledo, Veerle Vanlerberghe, Julio Popa Rosales, Mayelin Mirabal, Pedro Cabrera, Viviana Fonseca, Tania Gómez Padrón, Mirtha Pérez Menzies, Domingo Montada, Patrick Van der Stuyft
BACKGROUND: Aedes control interventions are considered the cornerstone of dengue control programmes, but there is scarce evidence on their effect on disease. We set-up a cluster randomized controlled trial in Santiago de Cuba to evaluate the entomological and epidemiological effectiveness of periodical intra- and peri-domiciliary residual insecticide (deltamethrin) treatment (RIT) and long lasting insecticide treated curtains (ITC). METHODOLOGY/PRINCIPAL FINDINGS: Sixty three clusters (around 250 households each) were randomly allocated to two intervention (RIT and ITC) and one control arm...
November 8, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29110670/indoor-and-outdoor-malaria-vector-surveillance-in-western-kenya-implications-for-better-understanding-of-residual-transmission
#12
Teshome Degefa, Delenasaw Yewhalaw, Guofa Zhou, Ming-Chieh Lee, Harrysone Atieli, Andrew K Githeko, Guiyun Yan
BACKGROUND: The widespread use of indoor-based malaria vector control interventions has been shown to alter the behaviour of vectors in Africa. There is an increasing concern that such changes could sustain residual transmission. This study was conducted to assess vector species composition, feeding behaviour and their contribution to indoor and outdoor malaria transmission in western Kenya. METHODS: Anopheles mosquito collections were carried out from September 2015 to April 2016 in Ahero and Iguhu sites, western Kenya using CDC light traps (indoor and outdoor), pyrethrum spray catches (PSCs) (indoor) and pit shelters (outdoor)...
November 6, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29106640/triatoma-costalimai-hemiptera-reduviidae-in-and-around-houses-of-tocantins-state-brazil-2005-2014
#13
Raíssa Nogueira Brito, Liléia Diotaiuti, Anália Celencina Fagundes Gomes, Rita de Cássia Moreira de Souza, Fernando Abad-Franch
Triatoma costalimai Verano & Galvão, a little-known vector of Trypanosoma cruzi Chagas, occupies rocky environments in the Brazilian Cerrado and occasionally infests man-made habitats. Entomological surveillance records show that T. costalimai occurs fairly often inside and around houses in south-eastern Tocantins, Brazil, with 859 specimens reported in 2005-2014. Most adults were caught indoors, and breeding colonies were found inside and around houses. Trypanosoma cruzi was detected in 13.7% of 839 bugs...
November 7, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29104577/interactions-of-root-feeding-insects-with-fungal-and-oomycete-plant-pathogens
#14
REVIEW
Telsa Willsey, Syama Chatterton, Héctor Cárcamo
Soilborne fungal and oomycete pathogens are the causal agents of several important plant diseases. Infection frequently co-occurs with herbivory by root-feeding insects, facilitating tripartite interactions that modify plant performance and mortality. In an agricultural context, interactions between pathogens, herbivores, and plants can have important consequences for yield protection. However, belowground interactions are inherently difficult to observe and are often overlooked. Here, we review the impact of direct and indirect interactions between root-associated insects, fungi, and oomycetes on the development of plant disease...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29097643/seasonal-occurrence-of-japanese-encephalitis-vectors-in-bareilly-district-uttar-pradesh-india
#15
P B Pantawane, H Dhanze, M R Verma, G Singh, A Kapdi, J Chauhan, K N Bhilegaonkar
BACKGROUND & OBJECTIVES: Japanese encephalitis (JE) is one of the most common causes of acute encephalitis syndrome in many states of India. Uttar Pradesh state is well known for JE endemicity, contributing 75% of total cases during recent past. Several sporadic cases have been reported from Bareilly region of the state. The disease spread by bite of Culex mosquito. Survey of literature revealed no data on mosquito fauna with reference to JE in this region. Therefore, this study was planned to survey seasonal mosquito population and occurrence of JE vectors in Bareilly region...
July 2017: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/29097639/anopheline-mosquitoes-behaviour-and-entomological-monitoring-in-southwestern-ethiopia
#16
Kidane Lelisa, Abebe Asale, Behailu Taye, Daniel Emana, Delenasaw Yewhalaw
BACKGROUND & OBJECTIVES: Despite a tremendous expansion in the financing and coverage of malaria control programmes, the disease continues to be a global health threat. This study was conducted to assess the entomological parameters of anopheline mosquitoes, viz. species composition, abundance, longevity, behaviour and infectivity rates in Kersa district, Jimma zone, southwestern Ethiopia. METHODS: Mosquito collection was carried out from each selected household in each of the nine selected study villages of Kersa district, using CDC light-traps and pyrethrum spray catches (PSCs) for seven months (June to December 2014)...
July 2017: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/29097638/investigation-of-the-spatial-distribution-of-sandfly-species-and-cutaneous-leishmaniasis-risk-factors-by-using-geographical-information-system-technologies-in-karaisali-district-of-adana-province-turkey
#17
Ozan Artun, Hakan Kavur
BACKGROUND & OBJECTIVES: Cutaneous leishmaniasis displays two epidemiological routes of transmission, zoonotic cutaneous leishmaniasis (ZCL) which includes animal reservoir hosts in the transmission cycle and anthroponotic cutaneous leishmaniasis (ACL), where human is the sole source of infection for the vector sandflies. About 10-13% of CL cases are reported each year from Adana province in Turkey. The aim of this study was to develop a predictive model for determining the spatial risk level of cutaneous leishmaniasis in the Adana province, southern part of Turkey, in relation to environmental factors...
July 2017: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/29095834/residual-malaria-transmission-dynamics-varies-across-the-gambia-despite-high-coverage-of-control-interventions
#18
Julia Mwesigwa, Jane Achan, Gian Luca Di Tanna, Muna Affara, Musa Jawara, Archibald Worwui, Majidah Hamid-Adiamoh, Fatoumatta Kanuteh, Sainey Ceesay, Teun Bousema, Chris Drakeley, Koen Peeters Grietens, Steve W Lindsay, Jean-Pierre Van Geertruyden, Umberto D'Alessandro
Over the last decades, malaria has declined substantially in The Gambia but its transmission has not been interrupted. In order to better target control interventions, it is essential to understand the dynamics of residual transmission. This prospective cohort study was conducted between June 2013 and April 2014 in six pairs of villages across The Gambia. Blood samples were collected monthly during the transmission season (June-December) from all residents aged ≥6 months (4,194 individuals) and then in April (dry season)...
2017: PloS One
https://www.readbyqxmd.com/read/29092797/gold-nanoparticles-against-parasites-and-insect-vectors
#19
REVIEW
Giovanni Benelli
Nanomaterials are currently considered for many biological, biomedical and environmental purposes, due to their outstanding physical and chemical properties. The synthesis of gold nanoparticles (Au NPs) is of high interest for research in parasitology and entomology, since these nanomaterials showed promising applications, ranging from detection techniques to drug development, against a rather wide range of parasites of public health relevance, as well as on insect vectors. Here, I reviewed current knowledge about the bioactivity of Au NPs on selected insect species of public health relevance, including major mosquito vectors, such as Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus...
October 29, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29091136/chagas-disease-ecoepidemiology-and-environmental-changes-in-northern-minas-gerais-state-brazil
#20
Elisa Neves Vianna, Ricardo José de Paula Souza E Guimarães, Christian Rezende Souza, David Gorla, Liléia Diotaiuti
BACKGROUND: Triatoma sordida and Triatoma pseudomaculata are frequently captured triatomine species in the Brazilian savannah and caatinga biomes, respectively, and in Brazilian domiciles. OBJECTIVES: This study identified eco-epidemiological changes in Chagas disease in northern Minas Gerais state, Brazil, and considered the influence of environmental shifts and both natural and anthropogenic effects. METHODS: Domicile infestation and Trypanosoma cruzi infection rates were obtained from triatomines and sylvatic reservoirs during the following two time periods: the 1980s and 2007/2008...
November 2017: Memórias do Instituto Oswaldo Cruz
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