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Infectious Diseases of Poverty

Gasim Abd-Elfarag, Makoy Yibi Logora, Jane Y Carter, Morrish Ojok, Jackson Songok, Sonia Menon, Ferdinand Wit, Richard Lako, Robert Colebunders
BACKGROUND: Nodding syndrome (NS) is a devastating epileptic illness of unknown aetiology mainly affecting children 5-15 years of age. Head nodding distinguishes NS from other forms of epilepsy. Other manifestations of the illness include mental and physical growth retardation. Many children die as a result of falling in fires or drowning. Recently, it was shown that NS is only one of the phenotypic presentations of onchocerciasis associated epilepsy (OAE). Despite the strong epidemiological association between epilepsy and onchocerciasis, the causal mechanism is unknown...
November 14, 2018: Infectious Diseases of Poverty
Nan Shwe Nwe Htun, Peter Odermatt, Phimpha Paboriboune, Somphou Sayasone, Malisa Vongsakid, Vilayouth Phimolsarn-Nusith, Xuan Duong Tran, Phoum-Savath Ounnavong, Navalone Andriama-Hefasoa, Nilun-Done Senvanpan, Anousine Homsana, Baocher Lianosay, Dalouny Xayavong, Dimbitsoa Rakotomalala Robinson, Phaivanh Bounsavath, Phoy-Phaylinh Prasayasith, Seng-Davanh Syphan, Yi-Xiao Lu, Kanchana Thilakoun, Xaipa-Song Xaiyaphet, Phout-Tasin Vongngakesone, Ikenna C Eze, Medea Imboden, Banchob Sripa, Daniel Reinharz, Nicole Probst-Hensch
BACKGROUND: As a result of epidemiological transition, the health systems of low- and middle-income countries are increasingly faced with a dual disease burden of infectious diseases and emerging non-communicable diseases. Little is known about the mutual influence of these two disease groups. The aim of this study was to investigate the co-occurrence of helminth infections and diabetes mellitus in adults in Lao People's Democratic Republic (Lao PDR). METHODS: We conducted a cross-sectional study among 1600 randomly selected adults aged 35 and older from four different socio-economical and ecological provinces...
November 6, 2018: Infectious Diseases of Poverty
Hiwot S Taffese, Elizabeth Hemming-Schroeder, Cristian Koepfli, Gezahegn Tesfaye, Ming-Chieh Lee, James Kazura, Gui-Yun Yan, Guo-Fa Zhou
BACKGROUND: Ethiopia is one of the African countries where Plasmodium falciparum and P. vivax co-exist. Monitoring and evaluation of current malaria transmission status is an important component of malaria control as it is a measure of the success of ongoing interventions and guides the planning of future control and elimination efforts. MAIN TEXT: We evaluated changes in malaria control policy in Ethiopia, and reviewed dynamics of country-wide confirmed and clinical malaria cases by Plasmodium species and reported deaths for all ages and less than five years from 2001 to 2016...
November 5, 2018: Infectious Diseases of Poverty
Ya Yang, Shao-Yu Huang, Fu-Quan Pei, Yue Chen, Qing-Wu Jiang, Zhuo-Hui Deng, Yi-Biao Zhou
BACKGROUND: Biomphalaria straminea is an invasive vector in China, posing a significant threat to public health. Understanding the factors affecting the establishment of this snail is crucial to improve our ability to manage its dispersal and potential risk of schistosomiasis transmission. This study sought to determine the spatial distribution of B. straminea in mainland China and whether environmental factors were divergent between places with and without B. straminea. METHODS: A malacological survey of B...
November 5, 2018: Infectious Diseases of Poverty
Lei Liu, Bing Guo, Wei Li, Bo Zhong, Wen Yang, Shu-Cheng Li, Qian Wang, Xing Zhao, Ke-Jun Xu, Sheng-Chao Qin, Yan Huang, Wen-Jie Yu, Wei He, Sha Liao, Qi Wang
BACKGROUND: Echinococcosis is a parasitic zoonosis caused by Echinococcus larvae parasitism causing high mortality. The Tibetan Region of Sichuan Province is a high prevalence area for echinococcosis in China. Understanding the geographic distribution pattern is necessary for precise control and prevention. In this study, a spatial analysis was conducted to explore the town-level epidemiology of echinococcosis in the Sichuan Tibetan Region and to provide guidance for formulating regional prevention and control strategies...
November 2, 2018: Infectious Diseases of Poverty
Tao Wang, Yuan Sun, Hua-Ji Qiu
BACKGROUND: African swine fever (ASF), caused by African swine fever virus, is a hemorrhagic and often fatal disease of domestic pigs and wild boar, which is notifiable to the World Organization for Animal Health. On August 3, 2018, China reported the first outbreak of ASF in Shenyang, a northeastern city of China. As of October 8, a total of 33 ASF outbreaks were reported in eight provinces in China, the biggest pork producer and consumer in the world. MAIN BODY: This commentary summarizes the current situation of ASF in China, measures that China has taken to control the disease, lessons learnt from other countries, challenges and recommendations on ASF control in China, and possible international collaborations on ASF...
October 26, 2018: Infectious Diseases of Poverty
Meng-Yang Liu, Qi-Huan Li, Ying-Jie Zhang, Yuan Ma, Yue Liu, Wei Feng, Cheng-Bei Hou, Endawoke Amsalu, Xia Li, Wei Wang, Wei-Min Li, Xiu-Hua Guo
BACKGROUND: Tuberculosis (TB) is still one of the most serious infectious diseases in the mainland of China. So it was urgent for the formulation of more effective measures to prevent and control it. METHODS: The data of reported TB cases in 340 prefectures from the mainland of China were extracted from the China Information System for Disease Control and Prevention (CISDCP) during January 2005 to December 2015. The Kulldorff's retrospective space-time scan statistics was used to identify the temporal, spatial and spatio-temporal clusters of reported TB in the mainland of China by using the discrete Poisson probability model...
October 20, 2018: Infectious Diseases of Poverty
Yun Feng, Thomas Fürst, Lu Liu, Guo-Jing Yang
BACKGROUND: Paragonimiasis, caused by helminths of the genus Paragonimus spp., is a neglected tropical disease. Human suffering from paragonimiasis is often misunderstood and its quantification by the disability weight of the disability-adjusted life years largely varies in different global burden of disease (GBD) estimates. This paper is to systematically review clinical paragonimiasis cases and requantify the disability weight of human paragonimiasis. METHODS: A systematic analysis was conducted using articles from the following databases: PubMed, Institute for Scientific Information Web of Science, China National Knowledge Infrastructure, the Chinese scientific journal databases Wanfang Data and CQVIP, Africa Journal Online, and the System for Information on Grey Literature in Europe...
October 19, 2018: Infectious Diseases of Poverty
Eyob Alemayehu Gebreyohannes, Akshaya Srikanth Bhagvathula, Tadesse Melaku Abegaz, Mohammed Assen Seid
BACKGROUND: Ethiopia has the highest number of visceral leishmaniasis (VL) cases after Sudan in Sub-Saharan Africa. However, there was lack of comprehensive data on VL treatment outcome despite the huge burden of the diseases in the country. Hence, we aimed to perform a systematic review and meta-analysis on this topic to obtain stronger evidence on treatment outcomes of VL from the existing literature in Ethiopia. METHODS: The Cochrane guidelines to conduct meta-analysis following the Preferred Reporting Items for Systematic review and Meta-Analysis statement was used to conduct a computerized systematic search of the PubMed, Google Scholar, and ScienceDirect databases...
October 19, 2018: Infectious Diseases of Poverty
Dysoley Lek, Deyer Gopinath, Sovann Ek, Sopheab Heng, Sreng Bun, Chy Say, Nguon Sokomar, Kheang Soy Ty, Huy Rekol
BACKGROUND: In Cambodia, internal migration involves migrants moving from non-malaria endemic areas to malaria endemic areas and vice versa. The majority of them work in farms or forests with various malaria transmission levels. In Cambodia, as one of the national approaches to ensure LLIN accessibility and use among mobile and migrant populations (MMPs), a lending scheme of long lasting insecticide treated nets (LLINs) was initiated among farm workers. Through this net lending program, LLINs and long-lasting insecticide treated hammock nets (LLIHNs) will be distributed annually at workplace (e...
October 18, 2018: Infectious Diseases of Poverty
Qiu-An Hu, Yi Zhang, Yun-Hai Guo, Shan Lv, Shang Xia, He-Xiang Liu, Yuan Fang, Qin Liu, Dan Zhu, Qi-Ming Zhang, Chun-Li Yang, Guang-Yi Lin
BACKGROUND: Angiostrongyliasis is a food-borne parasitic zoonosis. Human infection is caused by infection with the third-stage larvae of Angiostrongylus cantonensis. The life cycle of A. cantonensis involves rodents as definitive hosts and molluscs as intermediate hosts. This study aims to investigate on the infection status and characteristics of spatial distribution of these hosts, which are key components in the strategy for the prevention and control of angiostrongyliasis. METHODS: Three villages from Nanao Island, Guangdong Province, China, were chosen as study area by stratified random sampling...
October 15, 2018: Infectious Diseases of Poverty
Cristina Carias, Bishwa B Adhikari, Fatima Ravat, Martin I Meltzer, Barbara J Marston
BACKGROUND: West African countries Liberia, Sierra Leone, and Guinea experienced the largest and longest epidemic of Ebola virus disease from 2014 to 2016; after the epidemic was declared to be over, Liberia, Guinea, and Sierra Leone still experienced Ebola cases/clusters. The United States Centers for Disease Control and Prevention (US CDC) participated in the response efforts to the latter Ebola clusters, by assisting with case investigation, contact identification, and monitoring...
October 12, 2018: Infectious Diseases of Poverty
Benyun Shi, Xiao-Ming Zhan, Jin-Xin Zheng, Hongjun Qiu, Dan Liang, Yan-Ming Ye, Guo-Jing Yang, Yang Liu, Jiming Liu
BACKGROUND: In China since the first human infection of avian influenza A (H7N9) virus was identified in 2013, it has caused serious public health concerns due to its wide spread and high mortality rate. Evidence shows that bird migration plays an essential role in global spread of avian influenza viruses. Accordingly, in this paper, we aim to identify key bird species and geographical hotspots that are relevant to the transmission of avian influenza A (H7N9) virus in China. METHODS: We first conducted phylogenetic analysis on 626 viral sequences of avian influenza A (H7N9) virus isolated in chicken, which were collected from the Global Initiative on Sharing All Influenza Data (GISAID), to reveal geographical spread and molecular evolution of the virus in China...
October 11, 2018: Infectious Diseases of Poverty
Michel Mandro, Patrick Suykerbuyk, Floribert Tepage, Degratias Rossy, Francoise Ngave, Mirza Nazmul Hasan, An Hotterbeekx, Germain Mambandu, Jean Marie Kashama, Anne Laudisoit, Robert Colebunders
BACKGROUND: A high prevalence of epilepsy has been observed in onchocerciasis endemic areas in the Democratic Republic of Congo (DRC). With this study we aimed to investigate whether Onchocerca volvulus infection is a risk factor for developing epilepsy in onchocerciasis endemic regions in the DRC. METHODS: Between October and December 2015, a multi-centre case control study was performed in onchocerciasis endemic health zones (HZ) in the DRC: one study site was situated in Tshopo Province in the HZ of Wanierukula (village of Salambongo) where there had been 13 annual community distributions of treatment with ivermectin (CDTI), a second was situated in Ituri Province in the HZ of Logo (village of Draju) where ivermectin had never been distributed and in the HZ of Rethy (village of Rassia) where there had been THREE CDTI annual campaigns before the study...
October 8, 2018: Infectious Diseases of Poverty
Masoud Behzadifar, Hasan Abolghasem Gorji, Aziz Rezapour, Nicola Luigi Bragazzi
BACKGROUND: Street children are forced to spend a lot of time away from their homes and some of them do not have homes at all, due to economic and family problems, which makes them exposed to many health problems, such as the hepatitis C virus (HCV) infection. Iran, like many other countries in the world, experiences the burden of street children, however, the rate of HCV among street children is virtually unknown. This study aimed to determine the prevalence of HCV among street children in Iran...
October 1, 2018: Infectious Diseases of Poverty
Masceline Jenipher Mutsaka-Makuvaza, Zvifadzo Matsena-Zingoni, Cremance Tshuma, Sunanda Ray, Xiao-Nong Zhou, Bonnie Webster, Nicholas Midzi
BACKGROUND: In light of the shift to aiming for schistosomiasis elimination, the following are needed: data on reinfection patterns, participation, and sample submission adherence of all high-risk age groups to intervention strategies. This study was conducted to assess prevalence, reinfections along with consecutive participation, sample submission adherence, and effect of treatment on schistosomiasis prevalence in children aged five years and below in an endemic district in Zimbabwe, over one year...
September 21, 2018: Infectious Diseases of Poverty
Natalie V S Vinkeles Melchers, Sarah Mollenkopf, Robert Colebunders, Michael Edlinger, Luc E Coffeng, Julia Irani, Trésor Zola, Joseph N Siewe, Sake J de Vlas, Andrea S Winkler, Wilma A Stolk
BACKGROUND: Since the 1990s, evidence has accumulated of an increased prevalence of epilepsy in onchocerciasis-endemic areas in Africa as compared to onchocerciasis-free areas. Although the causal relationship between onchocerciasis and epilepsy has yet to be proven, there is likely an association. Here we discuss the need for disease burden estimates of onchocerciasis-associated epilepsy (OAE), provide them, detail how such estimates should be refined, and discuss the socioeconomic impact of OAE, including a cost-estimate for anti-epileptic drugs...
September 19, 2018: Infectious Diseases of Poverty
Jing-Peng Gao, Han-Ming Chen, Hua Shi, Heng Peng, Ya-Jun Ma
BACKGROUND: Arboviral disease transmitted by Aedes albopictus such as dengue fever is an important threat to human health. Pyrethroid resistance raises a great challenge for mosquito control. A systematic assessment of Ae. albopictus resistance status in China is urgently needed, and the study of correlation between pyrethroid resistance and knockdown resistance (kdr) mutations would provide information to guide the control of the Ae. albopictus vector. METHODS: Five field populations of Ae...
September 4, 2018: Infectious Diseases of Poverty
Florence Fournet, Frédéric Jourdain, Emmanuel Bonnet, Stéphanie Degroote, Valéry Ridde
BACKGROUND: Vector-borne diseases (VBDs) continue to represent a global threat, with "old" diseases like malaria, and "emergent" or "re-emergent" ones like Zika, because of an increase in international trade, demographic growth, and rapid urbanization. In this era of globalization, surveillance is a key element in controlling VBDs in urban settings, but surveillance alone cannot solve the problem. A review of experiences is of interest to examine other solution elements...
September 3, 2018: Infectious Diseases of Poverty
Jorge Marcos-Marcos, Antonio Olry de Labry-Lima, Silvia Toro-Cardenas, Marina Lacasaña, Stéphanie Degroote, Valéry Ridde, Clara Bermudez-Tamayo
BACKGROUND: The control of vector-borne diseases (VBD) is one of the greatest challenges on the global health agenda. Rapid and uncontrolled urbanization has heightened the interest in addressing these challenges through an integrated vector management (IVM) approach. The aim was to identify components related to impacts, economic evaluation, and sustainability that might contribute to this integrated approach to VBD prevention. MAIN BODY: We conducted a scoping review of available literature (2000-2016) using PubMed, Web of Science, Cochrane, CINAHL, Econlit, LILACS, Global Health Database, Scopus, and Embase, as well as Tropical Diseases Bulletin, WHOLIS, WHO Pesticide Evaluation Scheme, and Google Scholar...
September 3, 2018: Infectious Diseases of Poverty
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