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1.
High Rates of Clustering of Strains Causing Tuberculosis in Harare,Zimbabwe: a Molecular Epidemiological Study 下载免费PDF全文
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Kunorozva Lovemore van Tonder Riaan Starling Lindsay Brown James C. Viviers Pierre L. Derman Elton W. 《Sport Sciences for Health》2021,17(4):1007-1015
Sport Sciences for Health - Sports-related concussion (SRC) is a common injury mostly in contact sports. Specifically, it is a public health concern for collegiate rugby athletes because at least... 相似文献
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Calleja JM Marum LH Cárcamo CP Kaetano L Muttunga J Way A 《AIDS (London, England)》2005,19(Z2):S9-S17
In the past few years several countries have conducted national population-based HIV surveys. Survey methods, levels of participation bias from absence or refusal and lessons learned conducting such surveys are compared in four national population surveys: Mali, Kenya, Peru and Zambia. In Mali, Zambia, and Kenya, HIV testing of adult women and men was included in the national-level demographic and health surveys carried out regularly in these countries, whereas in Peru the national HIV survey targeted young people in 24 cities with populations over 50 000.The household response rate was above 90% in all countries, but some individuals were absent for interviews. HIV testing rates were between 70 and 79% of those eligible, with higher test rates for women. Three critical questions in this type of survey need to be answered: who did the surveys miss; how much it matters that they were missed; and what can be done to increase the participation of respondents so the coverage rates are adequate. The level of representativeness of the populations tested was adequate in each survey to provide a reliable national estimate of HIV prevalence that complements other methods of HIV surveillance. Different lessons were learned from each survey. These population-based HIV seroprevalence surveys demonstrate that reliable and useful results can be obtained, although they require careful planning and increased financial and human resource investment to maximize responses at the household and individual level, which are key elements to validate survey results.This review was initiated through an international meeting on 'New strategies for HIV/AIDS Surveillance in Resource-constrained Countries' held in Addis Ababa on 26-30 January 2004 to share and develop recommendations to guide future surveys. 相似文献
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MC Thigpen PM Kebaabetswe LA Paxton DK Smith CE Rose TM Segolodi FL Henderson SR Pathak FA Soud KL Chillag R Mutanhaurwa LI Chirwa M Kasonde D Abebe E Buliva RJ Gvetadze S Johnson T Sukalac VT Thomas C Hart JA Johnson CK Malotte CW Hendrix JT Brooks;TDF Study Group 《The New England journal of medicine》2012,367(5):423-434
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SWOT analysis of program design and implementation: a case study on the reduction of maternal mortality in Afghanistan 下载免费PDF全文
Qudratullah Ahmadi Homayoon Danesh Vasil Makharashvili Kathryn Mishkin Lovemore Mupfukura Hillary Teed Maggie Huff‐Rousselle 《The International journal of health planning and management》2016,31(3):247-259
This case study analyzes the design and implementation of the Basic Package of Health Services (BPHS) in Afghanistan by synthesizing the literature with a focus on maternal health services. The authors are a group of graduate students in the Brandeis University International Health Policy and Management Program and Sustainable International Development Program who used the experience in Afghanistan to analyze an example of successfully implementing policy; two of the authors are Afghan physicians with direct experience in implementing the BPHS. Data is drawn from a literature review, and a unique aspect of the case study is the application of the business‐oriented SWOT analysis to the design and implementation of the program that successfully targeted lowering maternal mortality in Afghanistan. It provides a useful example of how SWOT analysis can be used to consider the reasons for, or likelihood of, successful or unsuccessful design and implementation of a policy or program. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
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High rates of clustering of strains causing tuberculosis in Harare, Zimbabwe: a molecular epidemiological study 下载免费PDF全文
Easterbrook PJ Gibson A Murad S Lamprecht D Ives N Ferguson A Lowe O Mason P Ndudzo A Taziwa A Makombe R Mbengeranwa L Sola C Rastogi N Rostogi N Drobniewski F 《Journal of clinical microbiology》2004,42(10):4536-4544
We examined the pattern of tuberculosis (TB) transmission (i.e., reactivation versus recent transmission) and the impact of human immunodeficiency virus (HIV) infection in Harare, Zimbabwe. Consecutive adult smear-positive pulmonary TB patients presenting to an urban hospital in Harare were enrolled. A detailed epidemiological questionnaire was completed, and tests for HIV type 1 and CD4 cell counts were performed for each patient. Molecular fingerprinting of the genomic DNA recovered from cultures of sputum was performed by two molecular typing methods: spacer oligonucleotide typing (spoligotyping) and analysis of variable number of tandem DNA repeats (VNTRs). A cluster was defined as isolates from two or more patients that shared the same spoligotype pattern or the same VNTR pattern, or both. DNA suitable for typing was recovered from 224 patients. The prevalence of HIV infection was 79%. Of 187 patient isolates (78.6%) typed by both spoligotyping and analysis of VNTRs, 147 were identified as part of a cluster by both methods. By spoligotyping alone, 84.1% of patient isolates were grouped into 20 clusters. The cluster size was generally <8 patient isolates, although three large clusters comprised 68, 25, and 23 patient isolates. A total of 89.4% of the patient isolates grouped into 12 clusters defined by analysis of VNTRs, with 2 large clusters consisting of 127 and 13 patient isolates, respectively. Thirty-six percent of patient isolates with a shared spoligotype and 17% with a shared VNTR pattern were geographically linked within Harare, but they were not linked on the basis of the patient's home district. In a multivariate analysis, there were no independent predictors of clustering, including HIV infection status. Comparison with the International Spoligotype database (Pasteur Institute, Pointe a Pitre, Guadeloupe) demonstrated that our three largest spoligotype clusters are well recognized and ubiquitous in Africa. In this epidemiologically well characterized urban population with a high prevalence of HIV infection, we identified a very high level of strain clustering, indicating substantial ongoing recent TB transmission. Geographic linkage could be detected in a proportion of these clusters. A small group of actively circulating strains accounted for most of the cases of TB transmission. 相似文献
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D T McLeod D Pringle T Zingoni O L Mbengeranwa 《The Central African journal of medicine》1989,35(1):313-316
A retrospective study of 596 case notes of 1195 patients notified for tuberculosis during a three year period, in one district, was conducted. Drug reactions occurred in 75 patients (12.6 percent) and required discontinuation of therapy in 59 (10 percent). In 69 patients the skin was involved. Thiacetazone was by far the commonest drug implicated: two patients died with the Stevens Johnson syndrome. This study suggests that in the all important first two months of anti-tuberculous chemotherapy, thiacetazone, a therapeutically unnecessary agent, should be omitted as its inclusion results in an unacceptably high rate of side effects. 相似文献