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Resurgence risk for malaria, and the characterization of a recent outbreak in an Amazonian border area between French Guiana and Brazil.

Emilie Mosnier, Isabelle Dusfour, Guillaume Lacour, Raphael Saldanha, Amandine Guidez, Margarete S Gomes, Alice Sanna, Yanouk Epelboin, Johana Restrepo, Damien Davy, Magalie Demar, Félix Djossou, Maylis Douine, Vanessa Ardillon, Mathieu Nacher, Lise Musset, Emmanuel Roux,

BACKGROUND:In 2017, inhabitants along the border between French Guiana and Brazil were affected by a malaria outbreak primarily due to Plasmodium vivax (Pv). While malaria cases have steadily declined between 2005 and 2016 in this Amazonian region, a resurgence was observed in 2017. METHODS:Two investigations were performed according to different ... Read more >>

BMC Infect. Dis. (BMC infectious diseases)
[2020, 20(1):373]

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Disseminated Histoplasmosis: Fighting a neglected killer of patients with advanced HIV disease in Latin America.

Mathieu Nacher, Pierre Couppié, Loic Epelboin, Félix Djossou, Magalie Demar, Antoine Adenis,

PLoS Pathog. (PLoS pathogens)
[2020, 16(5):e1008449]

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Resurgence risk for malaria, and the characterization of a recent outbreak in an Amazonian border area between French Guiana and Brazil

Emilie MOSNIER, Isabelle Dusfour, Guillaume Lacour, Raphael Saldanha, Amandine Guidez, Margarete Gomes, Alice Sanna, Yanouk Epelboin, Johana Restrepo, Damien Davy, Magalie Demar, Félix Djossou, Maylis Douine, Vanessa Ardillon, Mathieu Nacher, Lise Musset, Emmanuel Roux,

Abstract Background In 2017, inhabitants along the border between French Guiana and Brazil were affected by a malaria outbreak primarily due to Plasmodium vivax ( Pv ). While malaria cases have steadily declined between 2005-2016 in this Amazonian region, a resurgence was observed in 2017. Methods Two investigations were performed ... Read more >>

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Epidemiology and Prognosis of Intensive Care Unit-Acquired Bloodstream Infection.

Hatem Kallel, Stephanie Houcke, Dabor Resiere, Michaella Roy, Claire Mayence, Cyrille Mathien, Joy Mootien, Magalie Demar, Didier Hommel, Felix Djossou,

Intensive care unit-acquired bloodstream infections (ICU-BSI) are frequent and are associated with high morbidity and mortality rates. We conducted this study to describe the epidemiology and the prognosis of ICU-BSI in our ICU and to search for factors associated with mortality at 28 days. For this, we retrospectively studied ICU-BSI ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2020, :]

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HIV patients dying on anti-tuberculosis treatment: are undiagnosed infections still a problem in French Guiana?

Mathieu Nacher, Antoine Adenis, Philippe Abboud, Felix Djossou, Magalie Demar, Loïc Epelboin, Pierre Couppié,

OBJECTIVE:Despite scaling-up testing and antiretroviral treatment in Latin America, advanced HIV remains a significant public health problem. The objective of the present study was look for historical risk factors for death in French Guiana's HIV cohort taking into account the immunological status, the main opportunistic infections, and their treatment. A ... Read more >>

BMC Res Notes (BMC research notes)
[2020, 13(1):209]

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What is AIDS in the Amazon and the Guianas in the 90-90-90 era?

Mathieu Nacher, Antoine Adenis, Basma Guarmit, Aude Lucarelli, Denis Blanchet, Magalie Demar, Felix Djossou, Philippe Abboud, Loïc Epelboin, Pierre Couppié,

Introduction In the past decade, new diagnostic methods and strategies have appeared, HIV testing efforts and the generalization of antiretroviral therapy may have influenced the number of opportunistic diagnoses and mortality of HIV-infected patients. To test this hypothesis we compiled data on the top opportunistic infections and causes of early ... Read more >>

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HIV patients dying on anti-tuberculosis treatment: are undiagnosed infections still a problem in French Guiana?

mathieu nacher, Antoine Adenis, Philippe Abboud, Felix Djossou, Magalie Demar, Loïc Epelboin, Pierre Couppié,

Abstract Objective Despite scaling-up testing and antiretroviral treatment in Latin America, advanced HIV remains a significant public health problem. The objective of the present study was look for historical risk factors for death in French Guiana’s HIV cohort taking into account the immunological status, the main opportunistic infections, and their ... Read more >>

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Relations between influenza, dengue outbreaks, and subsequent bacterial sepsis in French Guiana: a time series analysis

Claire Cropet, Philippe Abboud, Emilie Mosnier, Loïc Epelboin, Félix Djossou, Ward Schrooten, Milko Sobesky, mathieu nacher,

Abstract Objective : Influenza has been shown to increase the risk for severe bacterial infection, in the tropics the seasonality of influenza epidemics is less marked and this may not be the case. Dengue is often followed by prolonged asthenia and some physicians hypothesized increased susceptibility to infections based on ... Read more >>

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Incidence and Trends in Immune Reconstitution Inflammatory Syndrome Associated With Histoplasma capsulatum Among People Living With Human Immunodeficiency Virus: A 20-Year Case Series and Literature Review.

Alessia Melzani, Regis de Reynal de Saint Michel, Balthazar Ntab, Felix Djossou, Loic Epelboin, Mathieu Nacher, Denis Blanchet, Magalie Demar, Pierre Couppie, Antoine Adenis,

BACKGROUND:Histoplasmosis is among the main acquired immunodeficiency syndrome (AIDS)-defining conditions in endemic areas. Although histoplasmosis has a worldwide distribution, histoplasmosis-associated immune reconstitution inflammatory syndrome (IRIS) in people living with human immunodeficiency virus (PLHIV) is rarely reported.This study aimed to describe the incidence and features of histoplasmosis-associated IRIS in a cohort ... Read more >>

Clin. Infect. Dis. (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2020, 70(4):643-652]

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Prevalence of Plasmodium spp. in the Amazonian Border Context (French Guiana-Brazil): Associated Factors and Spatial Distribution.

Emilie Mosnier, Emmanuel Roux, Claire Cropet, Yassamine Lazrek, Olivier Moriceau, Mélanie Gaillet, Luana Mathieu, Mathieu Nacher, Magalie Demar, Guillaume Odonne, Maylis Douine, Céline Michaud, Stéphane Pelleau, Félix Djossou, Lise Musset,

To implement future malaria elimination strategies in French Guiana, a characterization of the infectious reservoir is recommended. A cross-sectional survey was conducted between October and December 2017 in the French Guianese municipality of St Georges de l'Oyapock, located along the Brazilian border. The prevalence of Plasmodium spp. was determined using ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2020, 102(1):130-141]

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The Broad Clinical Spectrum of Disseminated Histoplasmosis in HIV-Infected Patients: A 30 Years' Experience in French Guiana.

Pierre Couppié, Katarina Herceg, Morgane Bourne-Watrin, Vincent Thomas, Denis Blanchet, Kinan Drak Alsibai, Dominique Louvel, Felix Djossou, Magalie Demar, Romain Blaizot, Antoine Adenis,

Histoplasmosis is a common but neglected AIDS-defining condition in endemic areas for Histoplasma capsulatum. At the advanced stage of HIV infection, the broad spectrum of clinical features may mimic other frequent opportunistic infections such as tuberculosis and makes it difficult for clinicians to diagnose histoplasmosis in a timely manner. Diagnosis ... Read more >>

J Fungi (Basel) (Journal of fungi (Basel, Switzerland))
[2019, 5(4):]

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Discriminating Tonate Virus from Dengue Virus Infection: A Matched Case-Control Study in French Guiana, 2003-2016.

Rémi Mutricy, Félix Djossou, Séverine Matheus, Enguerrane Lorenzi-Martinez, Franck De Laval, Magalie Demar, Mathieu Nacher, Dominique Rousset, Loïc Epelboin,

Tonate virus (TONV) is an arbovirus discovered in 1973 in French Guiana (FG) belonging to the Venezuelan equine encephalitis virus complex, Alphavirus genus. Only few publications and cases have been reported in FG. The objectives of the present study were to describe the clinical picture of TONV and to compare ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2020, 102(1):195-201]

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Acute Q Fever Endocarditis: A Paradigm Shift Following the Systematic Use of Transthoracic Echocardiography During Acute Q Fever.

Cléa Melenotte, Loïc Epelboin, Matthieu Million, Sandrine Hubert, Thierry Monsec, Félix Djossou, Jean-Louis Mège, Gilbert Habib, Didier Raoult,

BACKGROUND:As Q fever, caused by Coxiella burnetii, is a major health challenge due to its cardiovascular complications, we aimed to detect acute Q fever valvular injury to improve therapeutic management. METHODS:In the French national reference center for Q fever, we prospectively collected data from patients with acute Q fever and ... Read more >>

Clin. Infect. Dis. (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2019, 69(11):1987-1995]

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Emergence of Plasmodium vivax Resistance to Chloroquine in French Guiana.

Lise Musset, Christophe Heugas, Richard Naldjinan, Denis Blanchet, Pascal Houze, Philippe Abboud, Béatrice Volney, Gaëlle Walter, Yassamine Lazrek, Loïc Epelboin, Stephane Pelleau, Pascal Ringwald, Eric Legrand, Magalie Demar, Félix Djossou,

In South America, Plasmodium vivax resistance to chloroquine was recently reported in Brazil and Bolivia. The objective of this study was to collect data on chloroquine resistance in French Guiana by associating a retrospective evaluation of therapeutic efficacy with an analysis of recurrent parasitemia from any patients. Patients with P. ... Read more >>

Antimicrob. Agents Chemother. (Antimicrobial agents and chemotherapy)
[2019, 63(11):]

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Usefulness of C-Reactive Protein in Differentiating Acute Leptospirosis and Dengue Fever in French Guiana.

Paul Le Turnier, Timothée Bonifay, Emilie Mosnier, Roxane Schaub, Anne Jolivet, Magalie Demar, Pascale Bourhy, Mathieu Nacher, Félix Djossou, Loïc Epelboin,

Objective:Leptospirosis and dengue fever (DF) are hard-to-differentiate diseases in cocirculating areas, especially during DF epidemics. Misdiagnosis and ensuing lack of antibiotic therapy can be detrimental in leptospirosis. The objective of this study was to identify factors that help differentiate acute leptospirosis from dengue fever on admission. Method:Patients with leptospirosis (positive ... Read more >>

Open Forum Infect Dis (Open forum infectious diseases)
[2019, 6(9):ofz323]

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Clinical Features, Diagnosis, and Outcome of Encephalitis in French Guiana.

Alexandre Roux, Stéphanie Houcke, Alice Sanna, Cyrille Mathien, Claire Mayence, Romain Gueneau, Geoffroy Liegeon, Gaelle Walter, Dabor Resiere, Narcisse Elenga, Géraldine Resin, Felix Djossou, Didier Hommel, Hatem Kallel,

The aim of our study was to describe the clinical features, the etiologies, and the factors associated with poor outcome of encephalitis in French Guiana. Our study was retrospective, including all cases of encephalitis hospitalized in the Cayenne General Hospital, from January 2007 to July 2017. Patients were included through ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2019, 100(2):452-459]

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Is botulism type C transmissible to human by consumption of contaminated poultry meat? Analysis of a suspect outbreak in French Guyana.

Arnaud Martrenchar, Félix Djossou, Cécile Stagnetto, Céline Dupuy, Elodie Brulez, Christiane Attica, Gerald Egmann, Jérome Gruenfeld, Jean-Michel Fontanella, Michel-Robert Popoff,

Botulism type C was suspected in a 46-year old man after consumption of sick poultry from a flock where botulism type C was confirmed. The patient developed characteristic signs of botulism, but investigation of biological samples did not confirm the presence of Clostridium botulinum or botulinum toxin. Despite having classical ... Read more >>

Anaerobe (Anaerobe)
[2019, 56:49-50]

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Mitochondrial diversity and phylogeographic analysis of Pediculus humanus reveals a new Amazonian clade "F".

Nadia Amanzougaghene, Florence Fenollar, Bernard Davoust, Félix Djossou, Muhammad Ashfaq, Idir Bitam, Didier Raoult, Oleg Mediannikov,

Pediculus humanus is an obligate and highly intimate bloodsucking insect parasite of humans that has two ecotypes, head louse and body louse. This study analyzed genetic diversity at three mitochondrial genes (cytochrome b [cytb], cytochrome oxidase subunit 1 [cox1] and 12S ribosomal RNA [12S]) in 98 head lice collected from ... Read more >>

Infect. Genet. Evol. (Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases)
[2019, 70:1-8]

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Comparison of Mycobacterium ulcerans (Buruli ulcer) and Leptospira sp. (Leptospirosis) dynamics in urban and rural settings.

Marine Combe, Rodolphe Elie Gozlan, Soushieta Jagadesh, Camilla Jensen Velvin, Rolland Ruffine, Magalie Pierre Demar, Pierre Couppié, Felix Djossou, Mathieu Nacher, Loïc Epelboin,

BACKGROUND:Zoonotic pathogens respond to changes in host range and/or pathogen, vector and host ecology. Environmental changes (biodiversity, habitat changes, variability in climate), even at a local level, lead to variability in environmental pathogen dynamics and can facilitate their transmission from natural reservoirs to new susceptible hosts. Whilst the environmental dynamics ... Read more >>

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2019, 13(1):e0007074]

Cited: 1 time

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Atypical and severe manifestations of chikungunya virus infection in French Guiana: A hospital-based study.

Timothee Bonifay, Christelle Prince, Clarisse Neyra, Magalie Demar, Dominique Rousset, Hatem Kallel, Mathieu Nacher, Félix Djossou, Loïc Epelboin, ,

BACKGROUND:French Guiana (FG) was the first country in South America to declare chikungunya virus infection (CHIKV). The outbreak affected about 16,000 persons between February 2014 and October 2015, with several atypical cases, but only two fatal cases. We aimed to describe the clinical presentation of patients hospitalized for CHIKV infection, ... Read more >>

PLoS ONE (PloS one)
[2018, 13(12):e0207406]

Cited: 2 times

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Temporal trend of the proportion of patients presenting with advanced HIV in French Guiana: stuck on the asymptote?

Mathieu Nacher, Florence Huber, Leila Adriouch, Félix Djossou, Antoine Adenis, Pierre Couppié,

OBJECTIVE:In French Guiana, the French territory with the most preoccupying HIV epidemic, there have been great efforts to intensify and diversify HIV testing strategies. The aim of the present study was to review the temporal trends of patients diagnosed with advanced HIV disease in French Guiana. Data trends from the ... Read more >>

BMC Res Notes (BMC research notes)
[2018, 11(1):831]

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Spatial dynamics and epidemiology for AIDS in remote areas in French Guiana.

Emilie Mosnier, Loïc Epelboin, Noé Guiraud, Florence Huber, Leila Adriouch, Basma Guarmit, Paul Brousse, Anne Terraz, Anna Boser, Mélanie Gaillet, Félix Djossou, Antoine Adenis, Mathieu Nacher,

Although AIDS care is generally improving in French Guiana, disparities among regions and certain key populations remain significant. The purpose of this study was to describe the spatial and clinical characteristics of people living with HIV (PLHIV) in remote areas in comparison to those followed in hospitals on the urban ... Read more >>

AIDS Care (AIDS care)
[2019, 31(4):498-504]

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Histoplasma capsulatum antigen detection tests as an essential diagnostic tool for patients with advanced HIV disease in low and middle income countries: A systematic review of diagnostic accuracy studies.

Mathieu Nacher, Denis Blanchet, Felix Bongomin, Arunaloke Chakrabarti, Pierre Couppié, Magalie Demar, David W Denning, Félix Djossou, Loïc Epelboin, Nelesh Govender, Terezinha Leitão, Sigrid Mac Donald, Christine Mandengue, Silvia Helena Marques da Silva, Rita Oladele, Maria Mercedes Panizo, Alessandro Pasqualotto, Ruth Ramos, Subramanian Swaminathan, Juan Luis Rodriguez-Tudela, Stephen Vreden, Rosely Zancopé-Oliveira, Antoine Adenis,

INTRODUCTION:Disseminated histoplasmosis, a disease that often resembles and is mistaken for tuberculosis, is a major cause of death in patients with advanced HIV disease. Histoplasma antigen detection tests are an important addition to the diagnostic arsenal for patients with advanced HIV disease and should be considered for inclusion on the ... Read more >>

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2018, 12(10):e0006802]

Cited: 5 times

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The shift in rabies epidemiology in France: time to adjust rabies post-exposure risk assessment.

Perrine Parize, Laurent Dacheux, Florence Larrous, Hervé Bourhy, ,

The epidemiology of rabies in France and western Europe has changed during the past 22 years. In France, rabies in non-flying terrestrial mammals was declared to be eliminated in 2001, and the risk of rabies is now limited to contact with bats, rabid animals illegally imported from rabies-enzootic countries and ... Read more >>

Euro Surveill. (Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin)
[2018, 23(39):]

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Coxiella burnetii: A Hidden Pathogen in Interstitial Lung Disease?

Cléa Melenotte, Jalal-Jean Izaaryene, Carine Gomez, Marion Delord, Elsa Prudent, Hubert Lepidi, Oleg Mediannikov, Marion Lacoste, Felix Djossou, Alexandre Mania, Noelle Bernard, Eric Huchot, Jean-Louis Mège, Fabienne Brégeon, Didier Raoult,

We report 7 patients with interstitial lung disease seen at computed tomographic scan review. Coxiella burnetii infection was diagnosed in situ in 1 lung biopsy specimen. Q fever may be a cofactor of interstitial lung disease, especially in endemic areas. ... Read more >>

Clin. Infect. Dis. (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2018, 67(7):1120-1124]

Cited: 2 times

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