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Brian P Mulenga, Ayala Wineman, Nicholas J Sitko
A number of studies use meteorological records to analyze climate trends and assess the impact of climate change on agricultural yields. While these provide quantitative evidence on climate trends and the likely effects thereof, they incorporate limited qualitative analysis of farmers' perceptions of climate change and/or variability. The present study builds on the quantitative methods used elsewhere to analyze climate trends, and in addition compares local narratives of climate change with evidence found in meteorological records in Zambia...
October 24, 2016: Environmental Management
Alana T Brennan, Mary-Ann Davies, Jacob Bor, Gilles Wandeler, Kathryn Stinson, Robin Wood, Hans Prozesky, Frank Tanser, Geoffrey Fatti, Andrew Boulle, Izukanji Sikazwe, Kara Wool-Kaloustian, Constantin Yiannoutsos, Valériane Leroy, Nathalie de Rekeneire, Matthew P Fox
OBJECTIVE: We assessed the relationship between phasing out stavudine in first-line antiretroviral therapy(ART) in accordance with World Health Organization 2010 policy and single-drug substitutions (SDS)(substituting the nucleoside reverse transcriptase inhibitor(NRTI) in first-line ART) in sub-Saharan Africa. DESIGN: Prospective cohort analysis (IeDEA-Multiregional) including ART-naïve, HIV-infected patients ≥16 years initiating ART between January 2005-December 2012...
October 20, 2016: AIDS
Chilala Cheelo, Selestine Nzala, Joseph M Zulu
BACKGROUND: In 2010 the government of the republic of Zambia stopped training traditional birth attendants and forbade them from conducting home deliveries as they were viewed as contributing to maternal mortality. This study explored positive and negative maternal health related experiences and effects of the ban in a rural district of Kazungula. METHODS: This was a phenomenological study and data were collected through focus group discussions as well as in-depth interviews with trained traditional birth attendants (tTBAs) and key informant interviews with six female traditional leaders that were selected one from each of the six zones...
October 21, 2016: BMC Pregnancy and Childbirth
Haatembo Mooya, Francis Sichimba, Marian Bakermans-Kranenburg
This study, the first in Zambia using the Strange Situation Procedure (SSP) to observe attachment relationships and the "very first" observational study of infant-sibling attachment, examined patterns of infant-mother and infant-sibling attachment, and tested their association. We included siblings who were substantially involved in caregiving activities with their younger siblings. We hypothesized that infants would develop attachment relationships to both mothers and siblings; the majority of infants would be classified as securely attached to both caregivers, and infant-mother and infant-sibling attachment would be unrelated...
October 19, 2016: Attachment & Human Development
Scott Creel, Jassiel M'soka, Egil Dröge, Eli Rosenblatt, Matthew S Becker, Wigganson Matandiko, Twakundine Simpamba
While trophy hunting provides revenue for conservation, it must be carefully managed to avoid negative population impacts, particularly for long-lived species with low natural mortality rates. Trophy hunting has had negative effects on lion populations throughout Africa, and the species serves as an important case study to consider the balance of costs and benefits, and to consider the effectiveness of alternative strategies to conserve exploited species. Age-restricted harvesting is widely recommended to mitigate negative effects of lion hunting, but this recommendation was based on a population model parameterized with data from a well-protected and growing lion population...
October 2016: Ecological Applications: a Publication of the Ecological Society of America
Sergio Bautista-Arredondo, Sandra G Sosa-Rubí, Marjorie Opuni, David Contreras-Loya, Ada Kwan, Claire Chaumont, Abson Chompolola, Jeanine Condo, Omar Galárraga, Neil Martinson, Felix Masiye, Sabin Nsanzimana, Ivan Ochoa-Moreno, Richard Wamai, Joseph Wang'ombe
OBJECTIVE: We estimate facility-level average annual costs per client along the HIV testing and counselling (HTC) and prevention of mother-to-child transmission (PMTCT) service cascades. DESIGN: Data collected covered the period 2011-2012 in 230 HTC and 212 PMTCT facilities in Kenya, Rwanda, South Africa, and Zambia. METHODS: Input quantities and unit prices were collected, as were output data. Annual economic costs were estimated from the service providers' perspective using micro-costing...
October 23, 2016: AIDS
Simon Mutembo, Jane N Mutanga, Kebby Musokotwane, Lutangu Alisheke, Christopher C Whalen
BACKGROUND: Co-infection with Mycobacterium tuberculosis remains a leading cause of morbidity and mortality among HIV infected individuals especially in developing countries. Early initiation of cART in these patients when CD4+ T cell count is less than 200cells/mm(3) has reduced disease progression and mortality. However for patients with higher CD4+ T cell counts greater than 350cells/mm(3) evidence is conflicting. In this study we seek to evaluate the effectiveness of cART in reducing mortality among TB-HIV co-infected patients with CD4 + T cells above 350cells/mm(3) at the time of TB diagnosis...
October 17, 2016: BMC Infectious Diseases
Etienne Karita, Sabin Nsanzimana, Felix Ndagije, Kristin M Wall, Jeannine Mukamuyango, Placidie Mugwaneza, Eric Remera, Pratima L Raghunathan, Roger Bayingana, Kayitesi Kayitenkore, Brigitte Bekan-Homawoo, Amanda Tichacek, Susan Allen
BACKGROUND: Couples' voluntary HIV counseling and testing (CVCT) is a WHO-recommended intervention for prevention of heterosexual HIV transmission which very few African couples have received. We report the successful nationwide implementation of CVCT in Rwanda. METHODS: From 1988 to 1994 in Rwanda, pregnant and postpartum women were tested for HIV and requested testing for their husbands. Partner testing was associated with more condom use and lower HIV and sexually transmitted infection rates, particularly among HIV-discordant couples...
November 1, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
Justin Lessler, C Jessica E Metcalf, Felicity T Cutts, Bryan T Grenfell
BACKGROUND: Routine vaccination supplemented by planned campaigns occurring at 2-5 y intervals is the core of current measles control and elimination efforts. Yet, large, unexpected outbreaks still occur, even when control measures appear effective. Supplementing these activities with mass vaccination campaigns triggered when low levels of measles immunity are observed in a sample of the population (i.e., serosurveys) or incident measles cases occur may provide a way to limit the size of outbreaks...
October 2016: PLoS Medicine
C Mubamba, G Ramsay, C Abolnik, G Dautu, B Gummow
Newcastle Disease (ND) is a highly infectious disease of poultry that seriously impacts on food security and livelihoods of livestock farmers and communities in tropical regions of the world. ND is a constant problem in the eastern province of Zambia which has more than 740 000 rural poultry. Very few studies give a situational analysis of the disease that can be used for disease control planning in the region. With this background in mind, a retrospective epidemiological study was conducted using Newcastle Disease data submitted to the eastern province headquarters for the period from 1989 to 2014...
October 1, 2016: Preventive Veterinary Medicine
Marjorie C Sorensen, Graham D Fairhurst, Susanne Jenni-Eiermann, Jason Newton, Elizabeth Yohannes, Claire N Spottiswoode
BACKGROUND: An understanding of year-round habitat use is essential for determining how carry-over effects shape population dynamics in long-distance migratory songbirds. The recent discovery of long-term migratory staging sites in many species, prior to arrival at final wintering sites, adds complexity to efforts to decipher non-breeding habitat use and connections between sites. We investigated whether habitat conditions during migratory staging carry over to influence great reed warbler (Acrocephalus arundinaceus) body condition at final wintering sites in Zambia...
October 4, 2016: BMC Ecology
Pascalina Chanda-Kapata, Nathan Kapata, Felix Masiye, Mwendaweli Maboshe, Eveline Klinkenberg, Frank Cobelens, Martin P Grobusch
BACKGROUND: Tuberculosis (TB) prevalence surveys offer a unique opportunity to study health seeking behaviour at the population level because they identify individuals with symptoms that should ideally prompt a health consultation. OBJECTIVE: To assess the health-seeking behaviour among individuals who were presumptive TB cases in a national population based TB prevalence survey. METHODS: A cross sectional survey was conducted between 2013 and 2014 among 66 survey clusters in Zambia...
2016: PloS One
C Hsiao, L Richter, T Makusha, B Matafwali, A van Heerden, M Mabaso
BACKGROUND: There are few readily available, relatively easy to use and culturally adaptable developmental assessment tools for young children in southern Africa. The overarching aim of this study is to test the psychometric properties, contextual appropriateness and cut-off scores across 21 age groups of the Ages and Stages Questionnaire Third Edition (Squires & Bricker, ) among a group of typically developing children in South Africa and Zambia through a combination of both caregiver-report and direct observations, and to compare children's performance across sociodemographic variables...
October 5, 2016: Child: Care, Health and Development
Ronald Moura Rodrigues, Monserrat Plana, Felipe Garcia, Luisa Zupin, Louise Kuhn, Sergio Crovella
We performed a retrospective genome-wide association study in HIV-infected individuals who were treated with dendritic cell-based immunotherapy in clinical trials performed by two research groups (Spain and Brazil). We aimed to identify host genetic variants influencing treatment response. The Illumina Human Core Exome 12 v 1.0 Bead Chip with over 250,000 markers was used to analyze genetic factors affecting treatment response. Additionally, we performed a meta-analysis of the results obtained from Spanish and Brazilian patients...
October 4, 2016: Immunologic Research
Jacob Sakala, Nellisiwe Chizuni, Selestine Nzala
INTRODUCTION: Despite roll-out of cost-effective point-of-care tests, less than half antenatal attendees in rural western Zambia are screened for syphilis. This study formulated a clinical, risk-based assessment criteria and evaluated its usefulness as a non-biomedical alternative for identifying high-risk prenatal cases. METHODS: We conducted a cross-sectional survey of antenatal clinic attendees in Kaoma, Luampa and Nkeyema districts to collect data on exposure to nine pre-selected syphilis risk factors...
2016: Pan African Medical Journal
Nikita J Kluge, Eugenia A Novikova
A new tribe Labiobaetini tribus n. is established for a plesiomorphon Labiobaetis Novikova & Kluge 1987 and a holophyletic taxon Pseudopannota Waltz & McCafferty 1987. New synonymy Pseudopannota Waltz & McCafferty 1987 = Ophelmatostoma Waltz & McCafferty 1987, syn. n. is proposed. A new species Pseudopannota pannota sp. n. closely related to P. berthrandi (Demoulin 1967) is described from Zambia based on imagoes of both sexes reared from larvae. Pseudopannota camerunense (Ulmer 1920) comb. n. is redescribed from Zambia based on imagoes of both sexes reared from larvae...
September 19, 2016: Zootaxa
Ngonda Saasa, King Shimumbo Nalubamba, Ethel M'kandawire, Joyce Siwila
Canine parvovirus (CPV) enteritis is a highly contagious enteric disease of young dogs. Limited studies have been done in Zambia to investigate the prevalence of CPV in dogs. Blood was collected from dogs from three veterinary clinics (clinic samples, n = 174) and one township of Lusaka (field samples, n = 56). Each dog's age, sex, breed, and vaccination status were recorded. A haemagglutination assay using pig erythrocytes and modified live parvovirus vaccine as the antigen was used. Antibodies to CPV were detected in 100% of dogs (unvaccinated or vaccinated)...
2016: Journal of veterinary medicine
Thomas Bøhn, Denis W Aheto, Felix S Mwangala, Klara Fischer, Inger Louise Bones, Christopher Simoloka, Ireen Mbeule, Gunther Schmidt, Broder Breckling
Gene flow in agricultural crops is important for risk assessment of genetically modified (GM) crops, particularly in countries with a large informal agricultural sector of subsistence cultivation. We present a pollen flow model for maize (Zea mays), a major staple crop in Africa. We use spatial properties of fields (size, position) in three small-scale maize farming communities in Zambia and estimate rates of cross-fertilisation between fields sown with different maize varieties (e.g. conventional and transgene)...
October 3, 2016: Scientific Reports
Kabir Sheikh, Mukund Uplekar
BACKGROUND: The unregulated availability and irrational use of tuberculosis (TB) medicines is a major issue of public health concern globally. Governments of many low- and middle-income countries (LMICs) have committed to regulating the quality and availability of TB medicines, but with variable success. Regulation of TB medicines remains an intractable challenge in many settings, but the reasons for this are poorly understood. The objective of this paper is to elaborate processes of regulation of quality and availability of TB medicines in three LMICs - India, Tanzania, and Zambia - and to understand the factors that constrain and enable these processes...
March 9, 2016: International Journal of Health Policy and Management
Katherine E A Semrau, Julie Herlihy, Caroline Grogan, Kebby Musokotwane, Kojo Yeboah-Antwi, Reuben Mbewe, Bowen Banda, Chipo Mpamba, Fern Hamomba, Portipher Pilingana, Andisen Zulu, Pascalina Chanda-Kapata, Godfrey Biemba, Donald M Thea, William B MacLeod, Jonathon L Simon, Davidson H Hamer
BACKGROUND: Chlorhexidine umbilical cord washes reduce neonatal mortality in south Asian populations with high neonatal mortality rates and predominantly home-based deliveries. No data exist for sub-Saharan African populations with lower neonatal mortality rates or mostly facility-based deliveries. We compared the effect of chlorhexidine with dry cord care on neonatal mortality rates in Zambia. METHODS: We undertook a cluster-randomised controlled trial in Southern Province, Zambia, with 90 health facility-based clusters...
November 2016: Lancet Global Health
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