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https://www.readbyqxmd.com/read/28799776/mycotoxin-contamination-of-foods-in-southern-africa-a-10-year-review-2007-2016
#1
J M Misihairabgwi, C N Ezekiel, M Sulyok, G S Shephard, R Krska
Major staple foods in Southern Africa are prone to mycotoxin contamination, posing health risks to consumers and consequent economic losses. Regional climatic zones favor the growth of one or more main mycotoxin producing fungi, Aspergillus, Fusarium and Penicillium. Aflatoxin contamination is mainly reported in maize, peanuts and their products, fumonisin contamination in maize and maize products and patulin in apple juice. Lack of awareness of occurrence and risks of mycotoxins, poor agricultural practices and undiversified diets predispose populations to dietary mycotoxin exposure...
August 11, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28783807/comparative-safety-of-antiretroviral-treatment-regimens-in-pregnancy
#2
Rebecca Zash, Denise L Jacobson, Modiegi Diseko, Gloria Mayondi, Mompati Mmalane, Max Essex, Chipo Petlo, Shahin Lockman, Joseph Makhema, Roger L Shapiro
Importance: Maternal antiretroviral treatment (ART) started before conception may increase the risk for adverse birth outcomes among women with human immunodeficiency virus (HIV) infection, but whether the risk differs by ART regimen is unknown. Objective: To compare the risk for selected birth outcomes by maternal ART regimen. Design, Setting, and Participants: This observational birth outcomes surveillance study compared all live births and stillbirths with a gestational age of at least 24 weeks in 8 geographically dispersed government hospitals throughout Botswana (approximately 45% of births nationwide)...
August 7, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28771485/the-impact-of-access-to-immunization-information-on-vaccine-acceptance-in-three-countries
#3
Lori K Handy, Stefania Maroudi, Maura Powell, Bakanuki Nfila, Charlotte Moser, Ingrid Japa, Ndibo Monyatsi, Elena Tzortzi, Ismini Kouzeli, Anthony Luberti, Maria Theodoridou, Paul Offit, Andrew Steenhoff, Judy A Shea, Kristen A Feemster
INTRODUCTION: Vaccine acceptance is a critical component of sustainable immunization programs, yet rates of vaccine hesitancy are rising. Increased access to misinformation through media and anti-vaccine advocacy is an important contributor to hesitancy in the United States and other high-income nations with robust immunization programs. Little is known about the content and effect of information sources on attitudes toward vaccination in settings with rapidly changing or unstable immunization programs...
2017: PloS One
https://www.readbyqxmd.com/read/28754995/genetic-variation-and-population-structure-of-botswana-populations-as-identified-with-ampflstr-identifiler-short-tandem-repeat-str-loci
#4
Tiroyamodimo Tau, Anthony Wally, Thokozile Patricia Fanie, Goitseone Lorato Ngono, Sununguko Wata Mpoloka, Sean Davison, María Eugenia D'Amato
Population structure was investigated in 990 Botswana individuals according to ethno-linguistics, Bantu and Khoisan, and geography (the nine administrative districts) using the Identifiler autosomal microsatellite markers. Genetic diversity and forensic parameters were calculated for the overall population, and according to ethno-linguistics and geography. The overall combined power of exclusion (CPE) was 0.9999965412 and the combined match probability 6,28 × 10(-19). CPE was highest for the Khoisan Tuu ethnolinguistic group and the Northeast District at 0...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28748015/evaluation-of-problem-based-learning-curriculum-implementation-in-a-clerkship-rotation-of-a-newly-established-african-medical-training-institution-lessons-from-the-university-of-botswana
#5
Stephane Tshitenge Tshitenge, Chiratidzo Ellen Ndhlovu, Radiance Ogundipe
INTRODUCTION: Problem-based Learning (PBL) curricula, like all curricula, require systematic evaluation as there is a risk of implementing a dysfunctional PBL curriculum. The study intended to evaluate the PBL curriculum delivery from the perspective of the clerkship students at the University of Botswana-Faculty of Medicine. METHODS: A cross-sectional study was conducted among clerkship students in Family Medicine, Paediatrics, Internal Medicine and Surgery. During a 4-week period, each respondent completed weekly a questionnaire based survey tool...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28744889/health-beliefs-regarding-pediatric-cerebral-palsy-among-caregivers-in-botswana-a-qualitative-study
#6
P Patel, J Baier, E Baranov, E Khurana, C Gambrah-Sampaney, A Johnson, B Monokwane, D R Bearden
BACKGROUND: Cerebral palsy (CP) is the most common motor disability worldwide with an incidence of 2.5 per 1,000 births globally. Health beliefs among caregivers may be major drivers of health-related behaviours and service utilization, but little is known regarding health beliefs around CP in Africa. METHODS: Between July 2013 and September 2015, children with CP were identified in Gaborone, Botswana, and their caregivers were invited to participate in a qualitative study utilizing semistructured in-person one-on-one interviews...
July 25, 2017: Child: Care, Health and Development
https://www.readbyqxmd.com/read/28742763/implementation-of-a-national-workplace-wellness-program-for-health-workers-in-botswana
#7
Jenny H Ledikwe, Bazghina-Werq Semo, Miram Sebego, Maureen Mpho, Heather Mothibedi, Shreshth Mawandia, Gabrielle O'Malley
: The Botswana workplace wellness program (WWP) for health care workers (HCWs) was initiated in 2007. WWP implementation was assessed using a sequential, explanatory, mixed methods design including a national implementation assessment (27 health districts) and in-depth interviews (n = 38). Level of implementation varied across districts with health screening, therapeutic recreation, and health promotion implemented more frequently than occupational health activities and psychosocial services. Facilitators to WWP implementation included establishment of a dedicated, diverse WWP committee; provision of administrative support, and integration of activities into organizational culture...
July 24, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28726288/hot-dogs-high-ambient-temperatures-impact-reproductive-success-in-a-tropical-carnivore
#8
Rosie Woodroffe, Rosemary Groom, J Weldon McNutt
Climate change imposes an urgent need to recognise and conserve the species likely to be worst affected. However, while ecologists have mostly explored indirect effects of rising ambient temperatures on temperate and polar species, physiologists have predicted direct impacts on tropical species. The African wild dog (Lycaon pictus), a tropical species, exhibits few of the traits typically used to predict climate change vulnerability. Nevertheless, we predicted that wild dog populations might be sensitive to weather conditions, because the species shows strongly seasonal reproduction across most of its geographical range...
July 19, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28723941/heat-treatment-as-a-universal-technical-solution-for-silcrete-use-a-comparison-between-silcrete-from-the-western-cape-south-africa-and-the-kalahari-botswana
#9
Patrick Schmidt, David J Nash, Sheila Coulson, Matthias B Göden, Graeme J Awcock
Heat treatment was one of the first transformative technologies in the southern African Middle Stone Age (MSA), with many studies in the Cape coastal zone of South Africa identifying it as an essential step in the preparation of silcrete prior to its use in stone tool manufacture. To date, however, no studies have investigated whether heat treatment is necessary for all silcrete types, and how geographically widespread heat treatment was in the subcontinent. The aim of this study is to investigate experimentally whether heat treatment continued further north into the Kalahari Desert of Botswana and northernmost South Africa, the closest area with major silcrete outcrops to the Cape...
2017: PloS One
https://www.readbyqxmd.com/read/28714446/development-and-psychometric-evaluation-of-health-protective-sexual-communication-content-discussed-scale-for-young-women-in-gaborone-botswana
#10
Mabel K M Magowe, Marcia McDonnell Holstad
Health protective sexual communication can reduce HIV transmission, but women in Botswana find it difficult because of cultural barriers, suggesting the need for relevant measures. A Health Protective Sexual Communication Content Discussed Scale was developed and tested among young women aged 21-35 years in Gaborone, Botswana, to guide HIV prevention interventions. The project was conducted from June 2006 to August 2007. Literature review, expert advice, and a qualitative pilot guided the process. The scale had 22 items...
December 1, 2016: Journal of Nursing Measurement
https://www.readbyqxmd.com/read/28707451/perceptions-of-key-participants-about-botswana-adolescents-risks-of-unplanned-pregnancy-sexually-transmitted-diseases-and-hiv-qualitative-findings
#11
Mabel K M Magowe, Esther Seloilwe, Kefalotse Dithole, Janet St Lawrence
AIM: The qualitative research findings are reported on the perceptions of key participants in Botswana about adolescent sexuality problems and the feasibility (with suggestions) of an adolescent prevention intervention. METHODS: Twenty adult key participants who were selected through purposive sampling from schools and youth centers responded to open-ended questions during face-to-face individual in-depth interviews that were conducted between December, 2011 and January, 2012 in Gaborone, Botswana...
July 13, 2017: Japan Journal of Nursing Science: JJNS
https://www.readbyqxmd.com/read/28692529/cyp2b6-genotypes-and-early-efavirenz-based-hiv-treatment-outcomes-in-botswana
#12
Robert Gross, Scarlett L Bellamy, Bakgaki Ratshaa, Xiaoyan Han, Marijana Vujkovic, Richard Aplenc, Andrew P Steenhoff, Mosepele Mosepele, Ganesh Moorthy, Athena F Zuppa, Brian L Strom, Gregory P Bisson
OBJECTIVES: To determine the association between cytochrome p450 2B6 genotypes and efavirenz-based HIV treatment outcomes. DESIGN: Observational cohort study of HIV infected adults initiating efavirenz-based regimens in Botswana. METHODS: The primary endpoint was a composite of death or loss to care or HIV RNA>25 copies/ml at 6 months. CYP2B6 516G>T and 983T>C genotyping was done with Taqman Open Array platform. Adverse experiences were measured using the Subject Experience Questionnaire...
July 7, 2017: AIDS
https://www.readbyqxmd.com/read/28664996/gaps-and-opportunities-for-the-world-heritage-convention-to-contribute-to-global-wilderness-conservation
#13
James R Allan, Cyril Kormos, Tilman Jaeger, Oscar Venter, Bastian Bertzky, Yichuan Shi, Brendan Mackey, Remco van Merm, Elena Osipova, James E M Watson
Wilderness areas are ecologically intact landscapes predominantly free of human uses, especially industrial scale activities, which result in significant biophysical disturbance. This definition does not exclude indigenous peoples and local communities who live in wilderness areas, depending on them for subsistence, and who have developed deep bio-cultural connections. Wilderness areas are important for biodiversity conservation, along with sustaining key ecological processes, and ecosystem services that underpin planetary life-support systems...
June 30, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28662159/pre-clinical-carotid-atherosclerosis-and-scd163-among-virally-suppressed-hiv-patients-in-botswana-compared-with-uninfected-controls
#14
Mosepele Mosepele, Linda C Hemphill, Walter Moloi, Sikhulile Moyo, Isaac Nkele, Joseph Makhema, Kara Bennett, Virginia A Triant, Shahin Lockman
OBJECTIVES: Human immune deficiency virus (HIV) is associated with increased cardiovascular disease (CVD) risk, yet the relationship between HIV and carotid atherosclerosis / monocyte activation among virally suppressed HIV-infected patients in sub-Saharan Africa is not well understood. METHODS: We measured traditional CVD risk factors, bilateral distal common carotid intima media thickness (cIMT), presence of carotid plaque and plasma sCD163 levels among virally suppressed HIV-infected adults and HIV-uninfected controls, in a cross-sectional study in Gaborone, Botswana...
2017: PloS One
https://www.readbyqxmd.com/read/28656521/strategic-interactions-games-of-the-ju-hoan
#15
Alex de Voogt
Three strategic games played by the Ju|'hoan-a board, a card, and a gesture game-complicate the rhetorics that suggest an evolutionary or psychological significance of play. They are mostly played by adults, although every individual adult does not necessarily engage in each game. The Ju|'hoan card and board game practices were transmitted through contact across large parts of Botswana and Namibia, while the gesture game n!àì has been known in other San communities. It suggests that the significance of strategic games is more likely found in its potential for social interaction (i...
June 27, 2017: Learning & Behavior
https://www.readbyqxmd.com/read/28643572/distinctive-barriers-to-antiretroviral-therapy-adherence-among-non-adherent-adolescents-living-with-hiv-in-botswana
#16
Elizabeth Yang, Seipone Mphele, Neo Moshashane, Boineelo Bula, Jennifer Chapman, Harriet Okatch, Ed Pettitt, Ontibile Tshume, Tafireyi Marukutira, Gabriel Anabwani, Elizabeth Lowenthal
Levels of adherence to HIV treatment are lower among adolescents compared with older and younger individuals receiving similar therapies. We purposely sampled the most and least adherent adolescents from a 300-adolescent longitudinal HIV treatment adherence study in Gaborone, Botswana. Multiple objective and subjective measures of adherence were available and study participants were selected based on sustained patterns of either excellent or poor adherence over a one-year period. Focus group discussions (FGD) and in-depth interviews (IDI) were conducted with the adolescents and a subset of their caregivers with the goal of revealing barriers and facilitators of adherence...
June 23, 2017: AIDS Care
https://www.readbyqxmd.com/read/28624928/a-survey-analysis-of-indigenous-goat-production-in-communal-farming-systems-of-botswana
#17
P I Monau, C Visser, S J Nsoso, E Van Marle-Köster
A total of 153 communal farmers in four agro-ecological regions of Botswana were interviewed using a structured questionnaire. The aims of the survey were to characterise existing communal goat production systems, evaluate the importance of goats to farmers and identify breeding practices and constraints encountered in goat production in Botswana. Data was collected on socio-economic parameters, general and breeding management practices and major constraints limiting goat production in Botswana. All respondents were small-scale communal farmers with 63% respondents practising mixed crop-livestock farming and 37% keeping livestock as their primary activity...
August 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28595593/specialty-preferences-among-medical-students-in-botswana
#18
Ambrose Rukewe, W A Abebe, A A Fatiregun, M Kgantshang
BACKGROUND: With the establishment of a new medical college in Botswana to train generalist-doctors and specialists, we set out to explore the career preferences of medical students, factors that influence their choices and attitude to local postgraduate training. METHODS: A descriptive cross-sectional questionnaire-based study was conducted among medical students in their third to fifth year, at the Faculty of Medicine, University of Botswana. The structured, self-administered questionnaires which were hand-delivered covered demographic characteristics of responders, career choices, preferred location of specialisation and factors that influenced the choices...
June 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28588639/elephantorrhiza-elephantina-traditional-uses-phytochemistry-and-pharmacology-of-an-important-medicinal-plant-species-in-southern-africa
#19
REVIEW
Alfred Maroyi
Elephantorrhiza elephantina is used in southern Africa as traditional remedy for a wide range of human diseases and ailments including dermatological diseases, gastrointestinal system disorders, sexual dysfunction, sexually transmitted infections, and wounds. The rhizome decoction of E. elephantina is widely used by small-scale farmers in Botswana and South Africa as ethnoveterinary medicine for cattle, goats, horses, pigs, poultry, and sheep. Several classes of phytochemical compounds including anthocyanidins, anthraquinones, esters, fatty acids, phenolic compounds, flavonoids, glycosides, polysterols, saponins, sugars, tannins, and triterpenoids have been isolated from E...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28582425/determining-baselines-for-human-elephant-conflict-a-matter-of-time
#20
Rocío A Pozo, Tim Coulson, Graham McCulloch, Amanda L Stronza, Anna C Songhurst
Elephant crop raiding is one of the most relevant forms of human-elephant conflict (HEC) in Africa. Northern Botswana holds the largest population of African elephants in the world, and in the eastern Okavango Panhandle, 16,000 people share and compete for resources with more than 11,000 elephants. Hence, it is not surprising this area represents a HEC 'hotspot' in the region. Crop-raiding impacts lead to negative perceptions of elephants by local communities, which can strongly undermine conservation efforts...
2017: PloS One
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