نتایج جستجو برای: especially travellers and hosts
تعداد نتایج: 16834660 فیلتر نتایج به سال:
abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...
a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...
BACKGROUND International travellers are at risk of travel-related, vaccine-preventable diseases. More data are needed on the proportion of travellers who refuse vaccines during a pre-travel health consultation and their reasons for refusing vaccines. METHODS We analyzed data on travellers seen for a pre-travel health consultation from July 2012 through June 2014 in the Global TravEpiNet (GTEN...
Viral hepatitis A occurs endemically in most parts of the world, especially where there is overcrowding,' and studies on the prevalence of antibody to hepatitis A in Europe have shown higher concentrations among those who live in Mediterranean countries.2-6 It is an infection often associated with travel: in West Germany and Switzerland over 60% of acute cases have a history of recent travel ab...
OBJECTIVES Following up on two earlier publications showing increased psychological stress and psychosocial effects of travel on the business travellers this study investigated the health of spouses of business travellers. METHODS Medical claims of spouses of Washington DC World Bank staff participating in the medical insurance programme in 1997-8 were reviewed. Only the first of each diagnos...
BACKGROUND Travellers' compliance with measures to prevent influenza through the use of antivirals and influenza vaccine remains very poor despite influenza being one of the commonest travel and vaccine-preventable diseases. A study was undertaken to assess travellers' beliefs, perceptions and intentions to take antivirals for the treatment and prevention of influenza during the H1N1 pandemic. ...
Abstract Strongyloidiasis is caused by infestation with Strongyloides stercoralis, a free living tropical and semitropical soil helminth that has a larval form that penetrates intact skin. Clinical manifestations may be varied from an asymptomatic infection in immunocompetent hosts to a diffuse and fatal form in immunocompromised hosts. We report a 56-year-old man from Dezful (sou...
BACKGROUND Travellers' diarrhoea (TD) is the most common infectious disease among travellers. In the Netherlands, stand-by or prophylactic antibiotics are not routinely prescribed to travellers. This study prospectively assessed the incidence rate, risk factors, and treatment of TD among immunocompetent travellers. METHODS Persons who attended the travel clinic of the Public Health Service Am...
BACKGROUND US residents make 60 million international trips annually. Family practice providers need to be aware of travel-associated diseases affecting this growing mobile population. OBJECTIVE To describe demographics, travel characteristics and clinical diagnoses of US residents who present ill after international travel. METHODS Descriptive analysis of travel-associated morbidity and mo...
BACKGROUND Amidst an Ebola virus disease (EVD) epidemic of unprecedented magnitude in west Africa, concerns about the risk of importing EVD led to the introduction of programs for the screening and monitoring of travellers in a number of countries, including Australia. Emerging reports indicate that these programs are feasible to implement, however rigorous evaluations are not yet available. We...
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