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Global Health and Tropical Medicine

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Genetic Diversity of norA, Coding for a Main Efflux Pump of Staphylococcus aureus

NorA is the best studied efflux system of Staphylococcus aureus and therefore frequently used as a model for investigating efflux-mediated resistance in this pathogen. NorA activity is associated with resistance to fluoroquinolones, several antiseptics and disinfectants and several reports have pointed out the role of efflux systems, including NorA, as a first-line response to antimicrobials in S. aureus. […]
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Advances in the molecular diagnosis of tuberculosis: From probes to genomes

Tuberculosis, disease caused by Mycobacterium tuberculosis, is currently the leading cause of death by a single infectious agent worldwide. Early, rapid and accurate identification of M. tuberculosis and the determination of drug susceptibility is essential for the treatment and management of this disease. Tuberculosis diagnosis is mainly based on chest radiography, smear microscopy and bacteriological […]
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Participatory implementation of an antibiotic stewardship programme supported by an innovative surveillance and clinical decision-support system

BACKGROUND: Antibiotic resistance will cause about 10 million deaths per year by 2050. Fighting antimicrobial resistance is a health priority. Interventions aimed to reduce antimicrobial resistance, such as antibiotic stewardship programmes (ASPs), must be implemented. To be effective, those interventions, and the implementation process, should be matched with social-cultural context. The complexity of ASPs can […]
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The need for planning training among public health officers in Cape Verde

Cape Verde is a small island developing state (SIDS). The health sector is guided by strategic and programmatic documents of the Ministry of Health. The objective of this paper is to understand the planning capacity and experience of its Public Health Officers. A questionnaire was applied to 27 Cape Verdean public health officers in order […]
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Contribution of efflux to colistin heteroresistance in a multidrug resistant acinetobacter baumannii clinical isolate

PURPOSE: The mechanisms underlying colistin heteroresistance in Acinetobacter baumannii are not fully understood. Here, we investigated the role of efflux in colistin-heteroresistant populations of a multidrug-resistant (MDR) A. baumannii clinical isolate. METHODOLOGY: Three colistin-resistant A. baumannii strain variants isolated from the same clinical sample were studied for the presence of heteroresistance to colistin by drug […]
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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