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https://www.readbyqxmd.com/read/28532397/a-systematic-review-of-factors-that-shape-implementation-of-mass-drug-administration-for-lymphatic-filariasis-in-sub-saharan-africa
#1
Adam Silumbwe, Joseph Mumba Zulu, Hikabasa Halwindi, Choolwe Jacobs, Jessy Zgambo, Rosalia Dambe, Mumbi Chola, Gershom Chongwe, Charles Michelo
BACKGROUND: Understanding factors surrounding the implementation process of mass drug administration for lymphatic filariasis (MDA for LF) elimination programmes is critical for successful implementation of similar interventions. The sub-Saharan Africa (SSA) region records the second highest prevalence of the disease and subsequently several countries have initiated and implemented MDA for LF. Systematic reviews have largely focused on factors that affect coverage and compliance, with less attention on the implementation of MDA for LF activities...
May 22, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28530038/hiv-treatment-and-care-services-for-adolescents-a-situational-analysis-of-218-facilities-in-23-sub-saharan-african-countries
#2
Daniella Mark, Alice Armstrong, Catarina Andrade, Martina Penazzato, Luann Hatane, Lina Taing, Toby Runciman, Jane Ferguson
INTRODUCTION: In 2013, an estimated 2.1 million adolescents (age 10-19 years) were living with HIV globally. The extent to which health facilities provide appropriate treatment and care was unknown. To support understanding of service availability in 2014, Paediatric-Adolescent Treatment Africa (PATA), a non-governmental organisation (NGO) supporting a network of health facilities across sub-Saharan Africa, undertook a facility-level situational analysis of adolescent HIV treatment and care services in 23 countries...
May 16, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28527636/shared-decision-making-in-west-africa-the-forgotten-area
#3
Ndeye Thiab Diouf, Ali Ben Charif, Lionel Adisso, Rhéda Adekpedjou, Hervé Tchala Vignon Zomahoun, Tatiana Titilayo Agbadjé, Mama Joyce Dogba, Mirjam Marjolein Garvelink
Up to now, little attention has been paid to West Africa when it comes to shared decision making (SDM). West African countries seem to lag behind with regard to SDM initiatives compared to many other countries in the world. There is some interest in informed decision-making or informed consent, but little in a full SDM process. Few decision-making tools are available for healthcare professionals and the majority are not designed to support decision-making with patients. Furthermore, to the best of our knowledge, there are no training programs for implementing SDM in healthcare teams...
May 18, 2017: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/28525625/characteristics-of-us-born-versus-foreign-born-americans-of-african-descent-with-chronic-hepatitis-b
#4
Mohamed A Hassan, W Ray Kim, Ruosha Li, Coleman I Smith, Michael W Fried, Richard K Sterling, Marc G Ghany, Abdus S Wahed, Lilia M Ganova-Raeva, Lewis R Roberts, Anna S F Lok
Hepatitis B virus (HBV) infection is more common in African Americans than in white Americans. We compared the epidemiologic, clinical, and virological characteristics of US-born African Americans (USAAs) to those of foreign-born African Americans (FBAAs) with chronic hepatitis B. The adult cohort study of the Hepatitis B Research Network enrolls patients with HBV infection from 21 clinical sites in the United States and Canada. A total of 237 (15%) of the adult participants with chronic HBV infection that were enrolled from January 20, 2011, to October 2, 2013, were of African descent, including 57 USAAs and 180 FBAAs (76%)...
May 19, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28522690/resistance-to-malaria-through-structural-variation-of-red-blood-cell-invasion-receptors
#5
Ellen M Leffler, Gavin Band, George B J Busby, Katja Kivinen, Quang Si Le, Geraldine M Clarke, Kalifa A Bojang, David J Conway, Muminatou Jallow, Fatoumatta Sisay-Joof, Edith C Bougouma, Valentina D Mangano, David Modiano, Sodiomon B Sirima, Eric Achidi, Tobias O Apinjoh, Kevin Marsh, Carolyne M Ndila, Norbert Peshu, Thomas N Williams, Chris Drakeley, Alphaxard Manjurano, Hugh Reyburn, Eleanor Riley, David Kachala, Malcolm Molyneux, Vysaul Nyirongo, Terrie Taylor, Nicole Thornton, Louise Tilley, Shane Grimsley, Eleanor Drury, Jim Stalker, Victoria Cornelius, Christina Hubbart, Anna E Jeffreys, Kate Rowlands, Kirk A Rockett, Chris C A Spencer, Dominic P Kwiatkowski
The malaria parasite Plasmodium falciparum invades human red blood cells via interactions between host and parasite surface proteins. By analyzing genome sequence data from human populations, including 1269 individuals from sub-Saharan Africa, we identify a diverse array of large copy number variants affecting the host invasion receptor genes GYPA and GYPB We find that a nearby association with severe malaria is explained by a complex structural rearrangement involving the loss of GYPB and gain of two GYPB-A hybrid genes, which encode a serologically distinct blood group antigen known as Dantu...
May 18, 2017: Science
https://www.readbyqxmd.com/read/28520958/the-development-use-and-impact-of-a-global-laboratory-database-during-the-2014-ebola-outbreak-in-west-africa
#6
Kara N Durski, Shalini Singaravelu, Junxiong Teo, Dhamari Naidoo, Luke Bawo, Amara Jambai, Sakoba Keita, Ali Ahmed Yahaya, Beatrice Muraguri, Brice Ahounou, Victoria Katawera, Fredson Kuti-George, Yacouba Nebie, T Henry Kohar, Patrick Jowlehpah Hardy, Mamoudou Harouna Djingarey, David Kargbo, Nuha Mahmoud, Yewondwossen Assefa, Orla Condell, Magassouba N'Faly, Leon Van Gurp, Margaret Lamanu, Julia Ryan, Boubacar Diallo, Foday Daffae, Dikena Jackson, Fayyaz Ahmed Malik, Philomena Raftery, Pierre Formenty
Background: The international impact, rapid widespread transmission, and reporting delays during the 2014 Ebola virus disease (EVD) outbreak in West Africa highlighted the need for a global, centralized database to inform outbreak response. The World Health Organization and Emerging and Dangerous Pathogens Laboratory Network addressed this need by supporting the development of a global laboratory database. Methods: Specimens were collected in the affected countries from patients and dead bodies meeting the case definitions for EVD...
May 18, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28520616/pediatric-cancer-burden-and-treatment-resources-within-the-pediatric-iedea-consortium
#7
Steven A Brown, Salma Abbas, Mary-Ann Davies, Torsak Bunupuradah, Annette H Sohn, Karl-Günter Technau, Lorna Renner, Valériane Leroy, Andrew Edmonds, Marcel Yotebieng, Catherine C McGowan, Stephany N Duda, Lynne Mofenson, Beverly Musick, Kara Wools-Kaloustian
INTRODUCTION: The incidence and treatment of cancer in HIV-infected children from resource-limited settings has not been extensively studied. OBJECTIVES: Develop and implement a cross-sectional survey to evaluate pediatric cancer burden, diagnostic modalities in use, and treatment availability as perceived by HIV clinic staff at regional International Epidemiology Databases to Evaluate AIDS (IeDEA) sites. METHODS: IeDEA regional investigators developed a cross-sectional clinical site survey which included questions on the numbers and types of pediatric cancers observed, modalities used to treat identified cancers and treatment options available at individual sites in the Asia-Pacific, Latin America, Central Africa, East Africa, West Africa, and Southern Africa regions...
May 17, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28518027/measles-cases-during-ebola-outbreak-west-africa-2013-2106
#8
Francesca Colavita, Mirella Biava, Concetta Castilletti, Serena Quartu, Francesco Vairo, Claudia Caglioti, Chiara Agrati, Eleonora Lalle, Licia Bordi, Simone Lanini, Michela Delli Guanti, Rossella Miccio, Giuseppe Ippolito, Maria R Capobianchi, Antonino Di Caro
The recent Ebola outbreak in West Africa caused breakdowns in public health systems, which might have caused outbreaks of vaccine-preventable diseases. We tested 80 patients admitted to an Ebola treatment center in Freetown, Sierra Leone, for measles. These patients were negative for Ebola virus. Measles virus IgM was detected in 13 (16%) of the patients.
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28515108/a-comparison-of-the-natural-history-of-hpv-infection-and-cervical-abnormalities-among-hiv-positive-and-hiv-negative-women-in-senegal-africa
#9
Hilary K Whitham, Stephen E Hawes, Haitao Chu, J Michael Oakes, Alan R Lifson, Nancy B Kiviat, Papa Salif Sow, Geoffrey S Gottlieb, Selly Ba, Marie P Sy, Shalini L Kulasingam
Background: There is evidence of an interaction between HIV and human papillomavirus (HPV) resulting in increased HPV-associated morbidity and cancer mortality among HIV-positive women. This study aims to determine how the natural history of cervical HPV infection differs by HIV status.Methods: A total of 1,320 women (47% were positive for HIV-1 and/or HIV-2) were followed for an average of two years in Senegal, West Africa between 1994 and 2010. Cytology (with a sub-sample of histology) and HPV DNA testing were performed at approximately 4-month intervals yielding data from over 7,900 clinic visits...
May 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28511276/new-records-distribution-and-updated-checklists-of-old-world-phlebotomine-sand-flies-with-emphasis-on-africa-southwest-asia-and-central-asia
#10
Leopoldo M Rueda, James E Pecor, Matthew Wolkoff, David Pecor, Sarah Benyamin, Philippe Boussès, Mustapha Debboun
This article includes new records, distribution, and updated checklist of Phlebotomine sand flies (Psychodidae, Diptera) in the Old World (Africa including West Indian Ocean Islands, Southwest Asia, and Central Asia) based on specimen collections housed in different repositories worldwide. About 124 species have primary types housed in 5 repositories including holotypes (45 species, 4 subspecies), syntypes (28 species, 3 subspecies), "types" (14 species), allotypes (10 species), paratypes (36 species, 3 subspecies), lectotypes (13 species), and cotype (5 species), mounted on 671 slides...
January 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28510604/ebola-exposure-illness-experience-and-ebola-antibody-prevalence-in-international-responders-to-the-west-african-ebola-epidemic-2014-2016-a-cross-sectional-study
#11
Catherine F Houlihan, Catherine R McGowan, Steve Dicks, Marc Baguelin, David A J Moore, David Mabey, Chrissy H Roberts, Alex Kumar, Dhan Samuel, Richard Tedder, Judith R Glynn
BACKGROUND: Healthcare and other front-line workers are at particular risk of infection with Ebola virus (EBOV). Despite the large-scale deployment of international responders, few cases of Ebola virus disease have been diagnosed in this group. Since asymptomatic or pauci-symptomatic infection has been described, it is plausible that infections have occurred in healthcare workers but have escaped being diagnosed. We aimed to assess the prevalence of asymptomatic or pauci-symptomatic infection, and of exposure events, among returned responders to the West African Ebola epidemic 2014-2016...
May 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28508222/lassa-virus-reverse-genetics
#12
Luis Martínez-Sobrido, Slobodan Paessler, Juan Carlos de la Torre
The Old World (OW) arenavirus Lassa (LASV ) is estimated to infect several hundred thousand people yearly in West Africa, resulting in high numbers of Lassa fever (LF), a viral hemorrhagic fever (HF) disease associated with high morbidity and mortality. To date, no licensed vaccines are available to LASV infections, and anti-LASV drug therapy is limited to an off-label use of ribavirin (Rib) that is only partially effective. The development of reverse genetics has provided investigators with a novel and powerful approach for the investigation of the molecular, cell biology, and pathogenesis of LASV...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28506274/contextual-and-psychosocial-factors-predicting-ebola-prevention-behaviours-using-the-ranas-approach-to-behaviour-change-in-guinea-bissau
#13
Anna E Gamma, Jurgita Slekiene, Gregor von Medeazza, Fredrik Asplund, Placido Cardoso, Hans-Joachim Mosler
BACKGROUND: The outbreak of the Ebola virus disease (EVD) in West Africa in December 2013 was the largest Ebola outbreak in history. This study aimed to measure the underlying contextual and psychosocial factors of intentions to perform Ebola prevention behaviours (not touching people who might be suffering from Ebola, reporting suspected cases to the National Ebola Hotline, NEH) in Guinea-Bissau. Geographical location, cross-border market activities, poor water, sanitation and hygiene (WASH) conditions, and burial practices in some communities pose a serious risk in terms of potential EVD outbreak and seriously hamper its prevention in Guinea-Bissau...
May 15, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28505570/clinical-evaluation-of-the-biofire-filmarray-%C3%A2-biothreat-e-test-for-the-diagnosis-of-ebola-virus-disease-in-guinea
#14
Françoise Gay-Andrieu, N'Fally Magassouba, Valentina Picot, Cynthia L Phillips, Christophe N Peyrefitte, Brigitte Dacosta, Ahmadou Doré, Fode Kourouma, Véronique Ligeon-Ligeonnet, Corentin Gauby, Christophe Longuet, Matt Scullion, Ousmane Faye, Jean Louis Machuron, Mark Miller
BACKGROUND: The recent West Africa Ebola outbreak highlighted the need to provide access to rapid, safe and reliable Ebola Virus Disease diagnostics. OBJECTIVES: The objective of this field study was to assess the clinical performance of the FilmArray(®) BioThreat-E test for the detection of Ebola Zaïre virus in whole blood in symptomatic patients suspected of Ebola Virus Disease in Conakry (Guinea) from March to July 2015. STUDY DESIGN: The BioThreat-E test was compared to the two RT-PCRs, using serum, implemented at Donka Hospital in the emergency context: an in-house developed quantitative one-step RT-PCR adapted from the Weidmann technique, and the RealStar(®) Filovirus RT-PCR Kit 1...
May 1, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28505171/rapid-deployment-of-a-mobile-biosafety-level-3-laboratory-in-sierra-leone-during-the-2014-ebola-virus-epidemic
#15
Yi Zhang, Yan Gong, Chengyu Wang, Wensen Liu, Zhongyi Wang, Zhiping Xia, Zhaoyang Bu, Huijun Lu, Yang Sun, Xiaoguang Zhang, Yuxi Cao, Fan Yang, Haoxiang Su, Yi Hu, Yongqiang Deng, Bo Zhou, Zongzheng Zhao, Yingying Fu, David Kargbo, Foday Dafae, Brima Kargbo, Alex Kanu, Linna Liu, Jun Qian, Zhendong Guo
BACKGROUND: Ebola virus emerged in West Africa in December 2013. The high population mobility and poor public health infrastructure in this region led to the development of the largest Ebola virus disease (EVD) outbreak to date. METHODOLOGY/PRINCIPAL FINDINGS: On September 26, 2014, China dispatched a Mobile Biosafety Level-3 Laboratory (MBSL-3 Lab) and a well-trained diagnostic team to Sierra Leone to assist in EVD diagnosis using quantitative real-time PCR, which allowed the diagnosis of suspected EVD cases in less than 4 hours from the time of sample receiving...
May 15, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28504627/-high-isolation-preparedness-for-very-contagious-and-potential-severely-ill-patients
#16
Gitte Kronborg, Sanne Jespersen, Helle Ingmer, Merete Storgaard
Ten and seven years ago respectively, the two high-isolation units in Denmark became prepared to receive highly contagious and potential severely ill patients. The units are located in the departments of infectious diseases in Hvidovre Hospital and Aarhus University Hospital. Both departments had little experience until the Ebola outbreak in West Africa, 2013-2015. Altogether, 15 possible Ebola patients were examined in the two departments, but the diagnosis was ruled out for all of them. Besides, a few possible candidates for Middle East respiratory syndrome patients were examined...
May 15, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28501359/the-ebola-epidemic-in-liberia-and-managing-the-dead-a-future-role-for-humanitarian-forensic-action
#17
Stephen Cordner, Heinrich Bouwer, Morris Tidball-Binz
With some of their economies, communities and health systems weakened by decades of war and poor governance, it was no accident that an epidemic of Ebola virus disease broke out in west Africa. Being spread in part by contact with body fluids of those who had died from the disease, funerary rites and the way dead bodies were managed were important modes of transmission. The Liberian Red Cross, supported by the International Federation of Red Cross and Red Crescent Societies and the International Committee of the Red Cross, undertook the challenging task of managing the dead bodies in Monrovia during the epidemic...
April 25, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28500229/isolation-by-distance-and-isolation-by-environment-contribute-to-population-differentiation-in-protea-repens-proteaceae-l-a-widespread-south-african-species
#18
Rachel Prunier, Melis Akman, Colin T Kremer, Nicola Aitken, Aaron Chuah, Justin Borevitz, Kent E Holsinger
PREMISE OF THE STUDY: The Cape Floristic Region (CFR) of South Africa is renowned for its botanical diversity, but the evolutionary origins of this diversity remain controversial. Both neutral and adaptive processes have been implicated in driving diversification, but population-level studies of plants in the CFR are rare. Here, we investigate the limits to gene flow and potential environmental drivers of selection in Protea repens L. (Proteaceae L.), a widespread CFR species. METHODS: We sampled 19 populations across the range of P...
May 12, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28497303/review-of-cattle-ticks-acari-ixodida-in-ivory-coast-and-geographic-distribution-of-rhipicephalus-boophilus-microplus-an-emerging-tick-in-west-africa
#19
O M Boka, L Achi, H Adakal, A Azokou, P Yao, Y G Yapi, M Kone, K Dagnogo, Y Y Kaboret
The exotic tick Rhipicephalus (Boophilus) microplus was discovered in Ivory Coast in 2007 and then gradually in other countries in West Africa. It is known to induce significant losses in farming and to replace other species of the same genus. In order to contribute to improve health and productivity of cattle in Ivory Coast regarding the emergence of this dreaded tick, a study was conducted to determine the current geographic distribution of the tick R. (B.) microplus and review cattle ticks in general. To this end, 23,460 ticks were collected from 180 farms located throughout the country...
May 11, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28494818/is-there-echinococcosis-in-west-africa-a-refugee-from-niger-with-a-liver-cyst
#20
Andrea Angheben, Mara Mariconti, Monica Degani, Maria Gobbo, Loredana Palvarini, Federico Gobbi, Enrico Brunetti, Francesca Tamarozzi
BACKGROUND: Italy is presently facing an increase in immigration from sub-Saharan Africa through the Mediterranean Sea. Case reports of human cystic echinococcosis (CE) have been reported from most sub-Saharan countries. Therefore, an increase in the number of patients with CE coming from these areas in the Italian and European centers for infectious diseases is expected. Unfortunately, the epidemiology of CE in sub-Saharan countries is poorly known, which makes clinical suspicion and diagnosis of such infection difficult in patients coming from these areas...
May 11, 2017: Parasites & Vectors
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