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https://www.readbyqxmd.com/read/28505314/diversity-of-mosquitoes-diptera-culicidae-attracted-to-human-subjects-in-rubber-plantations-secondary-forests-and-villages-in-luang-prabang-province-northern-lao-pdr
#1
Julie-Anne A Tangena, Phoutmany Thammavong, Naritsara Malaithong, Thavone Inthavong, Phuthasone Ouanesamon, Paul T Brey, Steve W Lindsay
The impact of the rapid expansion of rubber plantations in South-East Asia on mosquito populations is uncertain. We compared the abundance and diversity of adult mosquitoes using human-baited traps in four typical rural habitats in northern Lao PDR: secondary forests, immature rubber plantations, mature rubber plantations, and villages. Generalized estimating equations were used to explore differences in mosquito abundance between habitats, and Simpson's diversity index was used to measure species diversity...
May 15, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28497875/comparison-of-the-tracheal-systems-of-anopheles-sinensis-and-aedes-togoi-larvae-using-synchrotron-x-ray-microscopic-computed-tomography-respiratory-system-of-mosquito-larvae-using-sr-%C3%AE-ct
#2
Young-Ran Ha, Jeongeun Ryu, Eunseop Yeom, Sang-Joon Lee
Mosquito-borne diseases, such as malaria, dengue fever, and Zika virus, are serious global health issues. Vector control may be an important strategy in reducing the mortality caused by these diseases. The respiratory system of mosquito larvae in the water has to inhale atmospheric oxygen as aquatic organisms. In this study, the three-dimensional (3D) structures of the dorsal longitudinal trunks (DLTs) of the tracheal systems of Anopheles sinensis and Aedes togoi were compared using synchrotron X-ray microscopic computed tomography...
May 12, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28490339/distribution-and-phylogeny-of-wolbachia-strains-in-wild-mosquito-populations-in-sri-lanka
#3
N W Nalaka P Nugapola, W A Priyanka P De Silva, S H P Parakrama Karunaratne
BACKGROUND: Wolbachia are a group of maternally inherited intracellular bacteria known to be widespread among arthropods. Infections with Wolbachia cause declines of host populations, and also induce host resistance to a wide range of pathogens. Over the past few decades, researchers were curious to use Wolbachia as a biological tool to control mosquito vectors. During the present study, assessment of the prevalence of Wolbachia infections among wild mosquito populations in Sri Lanka where mosquito-borne diseases are a major health concern, was carried out for the first time...
May 10, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28488960/towards-pathogen-inactivation-of-red-blood-cells-and-whole-blood-targeting-viral-dna-rna-design-technologies-and-future-prospects-for-developing-countries
#4
REVIEW
Victor J Drew, Lassina Barro, Jerard Seghatchian, Thierry Burnouf
Over 110 million units of blood are collected yearly. The need for blood products is greater in developing countries, but so is the risk of contracting a transfusion-transmitted infection. Without efficient donor screening/viral testing and validated pathogen inactivation technology, the risk of transfusion-transmitted infections correlates with the infection rate of the donor population. The World Health Organization has published guidelines on good manufacturing practices in an effort to ensure a strong global standard of transfusion and blood product safety...
April 13, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28487212/mapping-the-ecoepidemiology-of-zika-virus-infection-in-urban-and-rural-areas-of-pereira-risaralda-colombia-2015-2016-implications-for-public-health-and-travel-medicine
#5
Alfonso J Rodriguez-Morales, Pablo Ruiz, Javier Tabares, Carlos Augusto Ossa, Maria Camila Yepes-Echeverry, Valeria Ramirez-Jaramillo, Maria Leonor Galindo-Marquez, Carlos Julian García-Loaiza, Juan Alejandro Sabogal-Roman, Esteban Parra-Valencia, Guillermo J Lagos-Grisales, Carlos O Lozada-Riascos, Cornelis A de Pijper, Martin P Grobusch
OBJECTIVE: Geographical information systems (GIS) have been demonstrated earlier to be of great use to inform public health action against vector-borne infectious diseases. METHODS: Using surveillance data on the ongoing ZIKV outbreak from Pereira, Colombia (2015-2016), we estimated incidence rates (cases/100,000 population), and developed maps correlating with the ecoepidemiology of the area. RESULTS: Up to October 8, 2016, 439 cases of ZIKV were reported in Pereira (93 cases/100,000 pop...
May 6, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28481286/infectious-diseases-and-tropical-cyclones-in-southeast-china
#6
Jietao Zheng, Weixiao Han, Baofa Jiang, Wei Ma, Ying Zhang
Southeast China is frequently hit by tropical cyclones (TCs) with significant economic and health burdens each year. However, there is a lack of understanding of what infectious diseases could be affected by tropical cyclones. This study aimed to examine the impacts of tropical cyclones on notifiable infectious diseases in southeast China. Disease data between 2005 and 2011 from four coastal provinces in southeast China, including Guangdong, Hainan, Zhejiang, and Fujian province, were collected. Numbers of cases of 14 infectious diseases were compared between risk periods and reference periods for each tropical cyclone...
May 7, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28426114/infectious-diseases-and-migrant-worker-health-in-singapore-a-receiving-country-s-perspective
#7
Sapna P Sadarangani, Poh Lian Lim, Shawn Vasoo
Background.: Approximately 1.4 million migrant workers reside in Singapore, presenting unique infectious disease challenges to both migrants and Singapore. Methods.: A Pubmed, MEDLINE (Ovid), EBSCO Host (Global Health) and Google Scholar search was performed for both peer, non-peer reviewed articles and reports relevant to migrant health in Singapore, published between 1 January 1989 and 1 September 2016. Additional studies were identified from citations within searched articles...
July 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28399206/a-video-tracking-analysis-based-behavioral-assay-for-larvae-of-anopheles-pseudopunctipennis-and-aedes-aegypti-diptera-culicidae
#8
Paula V Gonzalez, Agustín Alvarez Costa, Héctor M Masuh
Aedes aegypti (L.) is the primary vector of dengue, yellow fever, Zika, and chikungunya viruses, whereas Anopheles pseudopunctipennis (Theobald) is the principal vector for malaria in Latin America. The larval stage of these mosquitoes occurs in very different development habitats, and the study of their respective behaviors could give us valuable information to improve larval control. The aim of this study was to set up a bioassay to study basic larval behaviors using a video-tracking software. Larvae of An...
May 1, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28359829/feeding-behavior-of-mimomyia-etorleptiomyia-luzonensis-ludlow-1905-diptera-culicidae-in-peninsular-malaysia
#9
Kamil A Braima, M Muslimin, Amir-Ridhwan M Ghazali, F Wan-Nor, J J Wilson, J Jeffery, N M Abdul-Aziz
Mosquitoes are vectors of various human diseases in the tropics including yellow fever, dengue, malaria and West Nile virus. Mosquitoes can act as vectors between wildlife and humans, which is particularly important for diseases where wild animals serve as reservoirs of parasites in the absence of human infections. Research has mainly focused on the medical impacts of Anopheles, Aedes, Mansonia and Culex, however, very little attention has been directed towards other mosquito genera, especially those which act as vectors of diseases of wildlife...
March 27, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28358796/yellow-fever-outbreak-kongo-central-province-democratic-republic-of-the-congo-august-2016
#10
John O Otshudiema, Nestor G Ndakala, Elande-Taty K Mawanda, Gaston P Tshapenda, Jacques M Kimfuta, Loupy-Régence N Nsibu, Abdou S Gueye, Jacob Dee, Rossanne M Philen, Coralie Giese, Christopher S Murrill, Ray R Arthur, Benoit I Kebela
On April 23, 2016, the Democratic Republic of the Congo's (DRC's) Ministry of Health declared a yellow fever outbreak. As of May 24, 2016, approximately 90% of suspected yellow fever cases (n = 459) and deaths (45) were reported in a single province, Kongo Central Province, that borders Angola, where a large yellow fever outbreak had begun in December 2015. Two yellow fever mass vaccination campaigns were conducted in Kongo Central Province during May 25-June 7, 2016 and August 17-28, 2016. In June 2016, the DRC Ministry of Health requested assistance from CDC to control the outbreak...
March 31, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28357366/inhibition-of-zika-virus-by-wolbachia-in-aedes-aegypti
#11
COMMENT
Eric Pearce Caragata, Heverton Leandro Carneiro Dutra, Luciano Andrade Moreira
Through association with cases of microcephaly in 2015, Zika virus (ZIKV) has transitioned from a relatively unknown mosquito-transmitted pathogen to a global health emergency, emphasizing the need to improve existing mosquito control programs to prevent future disease outbreaks. The response to Zika must involve a paradigm shift from traditional to novel methods of mosquito control, and according to the World Health Organization should incorporate the release of mosquitoes infected with the bacterial endosymbiont Wolbachiapipientis...
June 27, 2016: Microbial Cell
https://www.readbyqxmd.com/read/28280265/effect-of-blood-type-on-anti-%C3%AE-gal-immunity-and-the-incidence-of-infectious-diseases
#12
Alejandro Cabezas-Cruz, Lourdes Mateos-Hernández, Pilar Alberdi, Margarita Villar, Gilles Riveau, Emmanuel Hermann, Anne-Marie Schacht, Jamal Khalife, Margarida Correia-Neves, Christian Gortazar, José de la Fuente
The identification of factors affecting the susceptibility to infectious diseases is essential toward reducing their burden on the human population. The ABO blood type correlates with susceptibility to malaria and other infectious diseases. Due to the structural similarity between blood antigen B and Galα1-3Galβ1-(3)4GlcNAc-R (α-Gal), we hypothesized that self-tolerance to antigen B affects the immune response to α-Gal, which in turn affects the susceptibility to infectious diseases caused by pathogens carrying α-Gal on their surface...
March 10, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28278416/arboviral-diseases-and-malaria-in-australia-2013-14-annual-report-of-the-national-arbovirus-and-malaria-advisory-committee
#13
Katrina E Knope, Mike Muller, Nina Kurucz, Stephen L Doggett, Rebecca Feldman, Cheryl A Johansen, Michaela Hobby, Sonya Bennett, Stacey Lynch, Angus Sly, Bart J Currie
This report describes the epidemiology of mosquito-borne diseases of public health importance in Australia during the 2013-14 season (1 July 2013 to 30 June 2014) and includes data from human notifications, sentinel chicken, vector and virus surveillance programs. The National Notifiable Diseases Surveillance System received notifications for 8,898 cases of disease transmitted by mosquitoes during the 2013-14 season. The Australasian alphaviruses Barmah Forest virus and Ross River virus accounted for 6,372 (72%) total notifications...
September 30, 2016: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/28270154/pandemics-pathogenicity-and-changing-molecular-epidemiology-of-cholera-in-the-era-of-global-warming
#14
REVIEW
Fazle Rabbi Chowdhury, Zannatun Nur, Nazia Hassan, Lorenz von Seidlein, Susanna Dunachie
BACKGROUND: Vibrio cholerae, a Gram-negative, non-spore forming curved rod is found in diverse aquatic ecosystems around the planet. It is classified according to its major surface antigen into around 206 serogroups, of which O1 and O139 cause epidemic cholera. A recent spatial modelling technique estimated that around 2.86 million cholera cases occur globally every year, and of them approximately 95,000 die. About 1.3 billion people are currently at risk of infection from cholera. Meta-analysis and mathematical modelling have demonstrated that due to global warming the burden of vector-borne diseases like malaria, leishmaniasis, meningococcal meningitis, viral encephalitis, dengue and chikungunya will increase in the coming years in the tropics and beyond...
March 7, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28262332/report-from-the-world-health-organization-s-third-product-development-for-vaccines-advisory-committee-pdvac-meeting-geneva-8-10th-june-2016
#15
Birgitte K Giersing, Johan Vekemans, Samantha Nava, David C Kaslow, Vasee Moorthy
The third meeting of WHO's Product Development for Vaccines Advisory Committee (PDVAC) was held in June 2016, with a remit to revisit the pathogen areas for which significant progress has occurred since recommendations from the 2015 meeting, as well as to consider new advances in the development of vaccines against other pathogens. Since the previous meeting, significant progress has been made with regulatory approvals of the first malaria and dengue vaccines, and the first phase III trials of a respiratory syncytial virus (RSV) vaccine candidate has started in the elderly and pregnant women...
March 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28249623/differentiating-between-dengue-fever-and-malaria-using-hematological-parameters-in-endemic-areas-of-thailand
#16
Manas Kotepui, Bhukdee PhunPhuech, Nuoil Phiwklam, Kwuntida Uthaisar
BACKGROUND: Dengue fever (DF) and malaria are the two major public health concerns in tropical countries such as Thailand. Early differentiation between dengue and malaria could help clinicians to identify patients who should be closely monitored for signs of dengue hemorrhagic fever or severe malaria. This study aims to build knowledge on diagnostic markers that are used to discriminate between the infections, which frequently occur in malaria-endemic areas, such as the ones in Thailand...
March 2, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28239567/value-of-routine-dengue-diagnosis-in-endemic-countries
#17
REVIEW
James Ayukepi Ayukekbong, Olufunmilayo G Oyero, Samuel Ekpesu Nnukwu, Henry Nzike Mesumbe, Cajetang Nkong Fobisong
Dengue is one of the most common arthropod-borne viral diseases in humans and it is a leading cause of illness and death in the tropical and subtropical regions of the world. It is thought to account for 400 million cases annually among approximately 3.97 billion people at risk of infection in 128 endemic countries. Despite the global prevalence of the disease, the availability of a vaccine is limited in most countries in the endemic areas. Most endemic countries in South America, South East Asia and Africa serve as attractive touristic sites for people from non-endemic countries who become infected and export the virus to dengue-free regions...
February 12, 2017: World Journal of Virology
https://www.readbyqxmd.com/read/28219910/severe-plasmodium-knowlesi-with-dengue-coinfection
#18
Mohd Jazman Che Rahim, Nurashikin Mohammad, Alwi Muhd Besari, Wan Syamimee Wan Ghazali
We report a case of severe Plasmodium knowlesi and dengue coinfection in a previously healthy 59-year-old Malay man who presented with worsening shortness of breath, high-grade fever with chills and rigors, dry cough, myalgia, arthralgia, chest discomfort and poor appetite of 1 week duration. There was a history mosquito fogging around his neighbourhood in his hometown. Further history revealed that he went to a forest in Jeli (northern part of Kelantan) 3 weeks prior to the event. Initially he was treated as severe dengue with plasma leakage complicated with type 1 respiratory failure as evidenced by positive serum NS1-antigen and thrombocytopenia...
February 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28215143/identifying-the-main-mosquito-species-in-the-taiwan-strait-using-dna-barcoding
#19
Bo Gao, Yiliang Fang, Jianqing Zhang, Rongquan Wu, Baohai Xu, Lianhui Xie
Mosquitoes can transmit many types of viruses such West Nile virus and Zika virus and are responsible for virus-causing diseases including malaria, Dengue fever, yellow fever, lymphatic filariasis, and Japanese B encephalitis. On January 19, 2016, the first case of Zika virus infection was identified in Taiwan, which presents the need for studying the mosquito species in the Taiwan Strait and evaluating the risk of the outbreak of this infection. In this study, we collected a total of 144 specimens from 42 mosquito specimens belonging to 9 genera from both sides of the Taiwan Strait during 2013 and 2014...
February 17, 2017: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/28206868/mosquito-vector-biology-and-control-in-latin-america-a-26th-symposium
#20
Lee W Cohnstaedt, Catalina Alfonso-Para, Ildefonso Fernandez-Salas
The 26th Annual Latin American Symposium presented by the American Mosquito Control Association (AMCA) was held as part of the 82nd Annual Meeting of the AMCA in Savannah, GA, in February 2016. The principal objective, as for the previous 25 symposia, was to promote participation in the AMCA by vector control specialists, public health workers, and academicians from Latin America. This publication includes summaries of 19 presentations that were given orally in Spanish by participants from Colombia, Ecuador, Mexico, and the USA...
December 2016: Journal of the American Mosquito Control Association
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