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Global Health and Tropical Medicine

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Mycobacterium marinum lymphocutaneous infection

Mycobacterium marinum is a nontuberculous mycobacteria with worldwide distribution that lives in fresh or salt water and is responsible for infections in fish, and sometimes in humans. Human disease consists mainly of cutaneous nodules, but deep structure involvement may also occur. Diagnosis of M. marinum infection remains a challenge, with a considerable time delay between […]
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Emergence of high-level colistin resistance in an acinetobacter baumannii clinical isolate mediated by inactivation of the global regulator H-NS

Colistin is a crucial last-line drug used for the treatment of life-threatening infections caused by multidrug-resistant strains of the Gram-negative bacterium Acinetobacter baumannii However, colistin-resistant A. baumannii isolates can still be isolated following failed colistin therapy. Resistance is most often mediated by the addition of phosphoethanolamine (pEtN) to lipid A by PmrC, following missense mutations in the pmrCAB operon encoding PmrC […]
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A case of imported neurocysticercosis in Portugal

Neurocysticercosis (NCC) is the most common cause of acquired epilepsy in resource-poor countries. We report the case of a 24-year-old woman born and residing in Guinea-Bissau, who was transferred to Portugal two months after the onset of a possible meningitis (fever, headache, seizures, and coma) that did not respond to antibiotic treatment. The diagnosis of […]
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Identification of relevant single-nucleotide polymorphisms in Pneumocystis jirovecii: relationship with clinical data

Pneumocystis jirovecii is a poorly understood pathogen that causes opportunistic pneumonia (Pneumocystis pneumonia (PcP)) in patients with AIDS.
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Progressive disseminated histoplasmosis as a presentation of AIDS in a patient from the Congo: the role of skin biopsy

Progressive disseminated histoplasmosis is frequently fatal in HIV patients, and the standard diagnostic techniques can cause treatment delay. Skin biopsy can help in the differential diagnosis, allowing also an earlier treatment initiation.
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GHTM is a R&D Unit that brings together researchers 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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