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To investigate if the characteristics of human intestinal Escherichia coli are changing with the environment of the host, we studied intestinal E. coli from subjects having recently migrated from a temperate to a tropical area. We determined the phylogenetic group, the prevalence of the antibiotic resistance, the presence of integrons and the strain(More)
Incidence of malaria is increasing in travelers and soldiers. In 2006, a survey was performed in a French battalion returning from a malaria-endemic area. According to the chemoprophylaxis plasma concentration and the individuals' reports, the noncompliance rates were high, respectively, 63.4 and 54.7%.
BACKGROUND In recent years a wide variety of epidemiological surveillance systems have been developed to provide early identification of outbreaks of infectious disease. Each system has had its own strengths and weaknesses. In 2002 a Working Group of the Centers for Disease Control and Prevention (CDC) produced a framework for evaluation, which proved(More)
BACKGROUND This study assesses, for the first time, the incidence, etiology, and determinants associated with traveler's diarrhea (TD) among French forces deployed to N'Djamena, Chad. METHODS A prospective study was conducted based on physician consultation for diarrhea during a 5-month French forces mandate. Diarrhea was defined as ≥3 loose stools in a(More)
BACKGROUND A dengue fever outbreak occured in French Guiana in 2006. The objectives were to study the value of a syndromic surveillance system set up within the armed forces, compared to the traditional clinical surveillance system during this outbreak, to highlight issues involved in comparing military and civilian surveillance systems and to discuss the(More)
The aim of the current study is to describe the consumption rate of alcohol, tobacco, and cannabis in the French Army. A cross-sectional two strata randomized survey was performed between October 2006 and March 2007 using self-report questionnaires (n = 990) to collect individual characteristics, consumption, and addictive behaviors with urinal tests for(More)
Protective devices against vectors are used by travelers in malaria-endemic areas but their efficacy for protection against mosquitoes has rarely been evaluated. The level of exposure to malaria transmission of 205 soldiers deployed in Africa and the efficacy of their anti-vector prophylaxis was evaluated by comparison of their IgM and IgG responses against(More)
The resistance of Plasmodium falciparum to the chloroquine-proguanil association (C/P) as antimalarial chemoprophylaxis is becoming increasingly common in Africa. Daily oral doxycycline hyclate 100 mg is effective as malaria prophylaxis. But the hyclate salt's adverse effects combined with the capsule's galenic form are incompatible with good(More)