Research Topics
| Robert SteffenSummaryAffiliation: University of Zurich Country: Switzerland Publications
| Collaborators
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Detail Information
Publications
Irritable bowel syndrome among a cohort of European travelers to resource-limited destinationsRaffaela Pitzurra
Division of Epidemiology and Prevention of Communicable Diseases and World Health Organization Collaborating Centre for Travellers Health, Institute of Social and Preventive Medicine, University of Zurich, Hirschengraben 84, Zurich, Switzerland
J Travel Med 18:250-6. 2011..Travel-related IBS incidence rates are based on small studies and IBS predictors have not been sufficiently evaluated...
Epidemiology, etiology, and impact of traveler's diarrhea in JamaicaR Steffen
Division of Epidemiology and Prevention of Communicable Diseases, University of Zurich, Institute of Social and Preventive Medicine, Switzerland
JAMA 281:811-7. 1999..Traveler's diarrhea (TD) can incapacitate travelers. Characteristics of TD could be helpful in identifying individuals who might benefit from a vaccine against TD...- Epidemiology of traveler's diarrheaRobert Steffen
Division of Communicable Diseases and Travel Clinic, Institute of Social and Preventive Medicine of the University, World Health Organization Collaborating Center for Travelers Health, Zurich, Switzerland
Clin Infect Dis 41:S536-40. 2005..Both host factors (e.g., age, behavior, nationality, and genetic factors) and environmental factors (primarily the selected destination and hotel) play an important role in risk for traveler's diarrhea... - Changing travel-related global epidemiology of hepatitis ARobert Steffen
Division of Communicable Diseases and Travel Clinic, Institute of Social and Preventive Medicine of the University of Zurich, World Health Organization Collaborating Center for Travelers Health, Zurich, Switzerland
Am J Med 118:46S-49S. 2005..g., Mexico) fail to consult health professionals prior to departure. Because 50% of the US population has an anticipated lifetime risk for exposure, universal immunization against hepatitis A should be considered... - Travel epidemiology--a global perspectiveRobert Steffen
Division of Communicable Diseases, World Health Organization Collaborating Center for Travellers Health, Institute of Social and Preventive Medicine, University of Zurich, Sumatrastrasse 30, Zurich CH 8006, Switzerland
Int J Antimicrob Agents 21:89-95. 2003..The prevalence for HIV-infection, syphilis, gonorrhoea, etc. often exceeds 50% in prostitutes. In some European countries, a major proportion of heterosexuals with newly acquired HIV-infection have acquired it while abroad... - Vaccination prioritiesRobert Steffen
World Health Organization Collaborating Centre for Travellers Health, Institute of Social and Preventive Medicine, University of Zurich, Sumatrastrasse 30, CH 8006 Zurich, Switzerland
Int J Antimicrob Agents 21:175-80. 2003..It is essentially an arbitrary decision made on the risk level one wishes to recommend protection--but the priorities need to be set correctly... - Evaluation of mood profiles during malaria chemoprophylaxis: a randomized, double-blind, four-arm studyPatricia Schlagenhauf
Division of Epidemiology and Communicable Diseases, Center for Travel Medicine, University of Zurich, Zurich, Switzerland
J Travel Med 16:42-5. 2009..To objectively compare the mood profiles of users of malaria chemoprophylaxis regimens (atovaquone-proguanil, chloroquine-proguanil, doxycycline, or mefloquine) in a group of nonimmune tourists to sub-Saharan Africa... - Epidemiology of travelers' diarrhea: details of a global surveyRobert Steffen
Division of Epidemiology and Prevention of Communicable Diseases, Institute of Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
J Travel Med 11:231-7. 2004..Compliance with recommendations to reduce exposure to pathogens by avoiding dangerous food items is poor among travelers from all countries. Implementation of food safety education programs may be difficult to achieve... - Prevalence of hepatitis A virus risk factors in a very low endemic country, SwitzerlandMeichun Mohler Kuo
Division of Epidemiology and Prevention of Non Communicable Diseases, Institute of Social and Preventive Medicine, University of Zurich, Hirschengraben 84, CH 8001 Zurich, Switzerland
Vaccine 25:8718-25. 2007.... - Economic aspects of travelers' diarrheaMathyas Wang
Faculty of Medicine, University of Zurich, Zurich, Switzerland
J Travel Med 15:110-8. 2008 - Management of travelers' diarrhea by local physicians in tropical and subtropical countries--a questionnaire surveyMaria N Wyss
Division of Epidemiology and Prevention of Communicable Diseases, World Health Organization Collaborating Centre for Travellers Health, Institute of Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
J Travel Med 16:186-90. 2009..Thus, we have analyzed TD management conducted by local health professionals... 
Diarrhoea in a large prospective cohort of European travellers to resource-limited destinationsRaffaela Pitzurra
University of Zurich, Institute for Social and Preventive Medicine, Division of Epidemiology and Prevention of Communicable Diseases and World Health Organization Collaborating Centre for Travellers Health, Zurich, Switzerland
BMC Infect Dis 10:231. 2010..Incidence rates of travellers' diarrhoea (TD) need to be updated and risk factors are insufficiently known...- Hepatitis A virus infections in travelers, 1988-2004Margot Mutsch
Division of Epidemiology and Prevention of Communicable Diseases, World Health Organization Collaborating Centre for Travelers Health, Institute of Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
Clin Infect Dis 42:490-7. 2006..We analyzed recent epidemiological data on imported hepatitis A to determine region-specific attack rates and incidences... - Sex and gender differences in travel-associated diseasePatricia Schlagenhauf
University of Zurich Centre for Travel Medicine, World Health Organisation Collaborating Centre for Travellers Health, University of Zurich, Zurich, Switzerland
Clin Infect Dis 50:826-32. 2010..No systematic studies exist on sex and gender differences across a broad range of travel-associated diseases... - Vaccines in travel health: from risk assessment to prioritiesRobert Steffen
Division of Communicable Diseases and Travel Clinic, Institute of Social and Preventive Medicine of the University, World Health Organization Collaborating Center for Travelers' Health, Zurich, Switzerland
J Travel Med 12:26-35. 2005 - Imported infectious disease and purpose of travel, SwitzerlandLukas Fenner
University of Zurich, Zurich, Switzerland
Emerg Infect Dis 13:217-22. 2007..364 per 1,000 ill returnees). Travel to sub-Saharan Africa contributed most to malaria in VFR travelers. In countries with large migrant populations, improved public health strategies are needed to reach VFR travelers... - Imported typhoid fever in Switzerland, 1993 to 2004Andreas Keller
Division of Epidemiology and Prevention of Communicable Diseases, WHO Collaborating Centre for Travellers Health, Institute of Social and Preventive Medicine, University of Zurich Travel Clinic, CH 8001 Zurich, Switzerland
J Travel Med 15:248-51. 2008..In industrialized countries, typhoid fever occurs mainly in returned travelers. To determine the need for preventive strategies, eg, for vaccination, continuous monitoring is needed to assess where the risk for travelers is highest... - Deaths caused by malaria in Switzerland 1988-2002Daniel Christen
University of Zurich Travel Clinic, Institute for Social and Preventive Medicine, Zurich, Switzerland
Am J Trop Med Hyg 75:1188-94. 2006..Rapid malaria tests may be a useful diagnostic adjunct in centers where microscopic expertise is lacking. Falciparum malaria in a non-immune patient is an emergency requiring immediate treatment... - Influenza virus infection in travelers to tropical and subtropical countriesMargot Mutsch
Division of Epidemiology and Prevention of Communicable Diseases, World Health Organization Collaborating Centre for Travelers Health, University of Zurich, Zurich, Switzerland
Clin Infect Dis 40:1282-7. 2005..Influenza outbreaks have been reported among travelers, but attack rates and incidence are unknown... - Influenza vaccine: a travelers' vaccine?Franziska Marti
University of Zurich, Institute of Social and Preventive Medicine, Division of Epidemiology and Prevention of Communicable Diseases, WHO Collaborating Centre for Traveller s Health, Zurich, Switzerland
Expert Rev Vaccines 7:679-87. 2008..Those visiting the tropics are at moderate risk of infection and illness during the entire year. A summary on existing traveler recommendations relating to avian influenza is included... - Tolerability of malaria chemoprophylaxis in non-immune travellers to sub-Saharan Africa: multicentre, randomised, double blind, four arm studyPatricia Schlagenhauf
Division of Epidemiology and Communicable Diseases, Institute for Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
BMJ 327:1078. 2003..To compare the tolerability of malaria chemoprophylaxis regimens in non-immune travellers... - Knowledge, attitudes and practices of business travelers regarding malaria risk and preventionRoger Weber
Institute for Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
J Travel Med 10:219-24. 2003..The knowledge, attitudes and practices of business travelers with regard to malaria prevention need to be improved... - Travel and public healthManuel Fricker
Division of Epidemiology and Prevention of Communicable Diseases, WHO Centre for Travellers Health, cc Institute of Social and Preventive Medicine, University of Zurich, Hirschengraben 84, CH 8001 Zurich, Switzerland
J Infect Public Health 1:72-7. 2008..In contrast, in-flight transmission of infections plays only a limited role... - Imported malaria in children in industrialized countries, 1992-2002Katrin Stäger
University of Zurich, Zurich, Switzerland
Emerg Infect Dis 15:185-91. 2009..Returning to country of origin to visit friends and relatives was a risk factor. Malaria prevention for children should be a responsibility of healthcare providers and should be subsidized for low-income travelers to high-risk areas... - The Swiss National Vaccination Coverage Survey, 2005-2007Phung Lang
University of Zurich, Institute of Social and Preventive Medicine, Division of Epidemiology and Prevention of Infectious Diseases, Zurich, Switzerland
Public Health Rep 126:97-108. 2011.... - Malaria prophylaxis: setting the sceneRobert Steffen
Division of Communicable Diseases, World Health Organization Collaborating Centre for Travellers' Health, University of Zurich/ISPM, Zurich, Switzerland
J Travel Med 10:S3-7; discussion S21. 2003 - Non-communicable health risks during mass gatheringsRobert Steffen
Division of Epidemiology and Prevention of Communicable Diseases, Institute of Social and Preventive Medicine, University of Zurich, WHO Collaborating Centre for Travellers Health, Hirschengraben 84 E29, Zurich, Switzerland
Lancet Infect Dis 12:142-9. 2012..We identified the risks for mortality and morbidity during MGs, most efficient public health interventions, and need for robust research into health risks for non-communicable diseases during MGs... - Vaccination against enterotoxigenic Escherichia coli, a cause of travelers' diarrheaRobert Steffen
Institute for Social and Preventive Medicine (ISPM, World Health Organization (WHO) Collaborating Center for Travelers' Health, University of Zurich, Switzerland
J Travel Med 12:102-7. 2005 - Therapy of travelers' diarrhea with rifaximin on various continentsRobert Steffen
Division of Communicable Diseases, Institute of Social and Preventive Medicine of the University, Zurich, Switzerland
Am J Gastroenterol 98:1073-8. 2003..No relevant side effects were reported. CONCLUSION: Rifaximin is efficacious and safe for treatment of travelers' diarrhea at daily doses of 600 mg or higher... - Tuberculosis infection notification in Swiss medical students during their clinical electivesAlexander Turk
Institute for Social and Preventive Medicine, University of Zurich, Switzerland
Int J Infect Dis 7:268-73. 2003..Possible explanations for the high incidence and possible bias are discussed... - Travelers' diarrhea in the new millennium: consensus among experts from German-speaking countriesRobert Steffen
Division of Communicable Diseases, World Health Organization Collaborating Centre for Travellers' Health, Institute of Social and Preventive Medicine of the University, Zurich, Switzerland
J Travel Med 10:38-45. 2003 - Use of the inactivated intranasal influenza vaccine and the risk of Bell's palsy in SwitzerlandMargot Mutsch
Division of Communicable Diseases, World Health Organization Collaborating Centre for Travellers Health, Institute of Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
N Engl J Med 350:896-903. 2004..After the introduction of an inactivated intranasal influenza vaccine that was used only in Switzerland, 46 cases of Bell's palsy were reported... - Effectiveness of a repellent containing DEET and EBAAP for preventing tick bitesDaniel Staub
Institute of Social and Preventive Medicine (ISPM, University of Zurich, Switzerland
Wilderness Environ Med 13:12-20. 2002..3-114.7) was observed. No significant difference in the average number of unattached ticks could be found. CONCLUSIONS: This study found that an easily applied repellent is moderately effective in reducing the risk of tick bites... - Migrants as a major risk group for imported malaria in European countriesPatricia Schlagenhauf
, Institute for Social and Preventive Medicine, , Sumatrastrasse 30, , Switzerland
J Travel Med 10:106-7. 2003 - Prevention of travel-related infectious diseases: knowledge, practices and attitudes of Swedish travellersAtti-La Dahlgren
Institute for Social and Preventive Medicine, Division of Epidemiology and Communicable Diseases, , Geneva, Switzerland
Scand J Infect Dis 38:1074-80. 2006..Efforts should focus on reaching more travellers, providing clear information and improving compliance with recommended travel health advice... - Knowledge, attitudes and practices in travel-related infectious diseases: the European airport surveyKoen Van Herck
WHO Collaborating Centre for Prevention and Control of Viral Hepatitis, Unit of Epidemiology and Social Medicine, University of Antwerp, Antwerp, Belgium
J Travel Med 11:3-8. 2004..Our common objective is to help travelers stay healthy while abroad, and consequently to also reduce the potential importation of infectious diseases and the consequent public health and other implications... - Despite good tools, we do not effectively reduce travelers' hepatitis ARobert Steffen
J Travel Med 9:1-2. 2002 - Gastrointestinal infection among international travelers globallyZoe Greenwood
Victorian Infectious Diseases Service, Royal Melbourne Hospital, Victoria, Australia
J Travel Med 15:221-8. 2008..The objective of this study was to analyze infections associated with oral ingestion of pathogens in international travelers in relation to place of exposure... - Global changes related to travelers' healthBrian Gushulak
J Travel Med 14:205-8. 2007 - Health risks among travelers--need for regular updatesRobert Steffen
J Travel Med 15:145-6. 2008 - Travelers' knowledge, attitudes, and practices on prevention of infectious diseases: results from a pilot studyKoen Van Herck
Centre for the Evaluation of Vaccination, WHO Collaborating Centre for Prevention and Control of Viral Hepatitis Epidemiology and Social Medicine, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium
J Travel Med 10:75-8. 2003..Strategies are needed for raising awareness of preventable travel health issues and for raising compliance with existing recommendations... - Drug-free holidays: pre-travel versus during travel malaria chemoprophylaxisG Dennis Shanks
Am J Trop Med Hyg 77:1-2. 2007..Treatment regimens of antimalarial drugs taken prior to travel could protect persons for up to one month of exposure. We urge additional testing of pre-travel malaria chemoprophylaxis regimens... - A randomized, double-blind, multicenter study of rifaximin compared with placebo and with ciprofloxacin in the treatment of travelers' diarrheaDavid N Taylor
Salix Pharmaceuticals, Inc, Morrisville, North Carolina, USA
Am J Trop Med Hyg 74:1060-6. 2006..35 versus rifaximin). Rifaximin was less effective than ciprofloxacin for invasive intestinal bacterial pathogens. Oral rifaximin is a safe and effective treatment of travelers' diarrhea caused by noninvasive pathogens... - The risk of acquiring hepatitis A and B among travelers in selected Eastern and Southern Europe and non-European Mediterranean countries: review and consensus statement on hepatitis A and B vaccinationHans Dieter Nothdurft
Department of Infectious Diseases and Tropical Medicine, University of Munich, Munich, Germany
J Travel Med 14:181-7. 2007 - Rifaximin treatment of pathogen-negative travelers' diarrheaHerbert L DuPont
Center for Infectious Diseases, Houston School of Public Health, The University of Texas, Houston, TX, USA
J Travel Med 14:16-9. 2007..Antibacterial drugs appear to be effective in shortening the illness of a majority of cases of travelers' diarrhea... - Enteroaggregative Escherichia coli diarrhea in travelers: response to rifaximin therapyRosa M Infante
Center for Infectious Diseases, The University of Texas-Houston School of Public Health and Medical School, Houston, Texas, USA
Clin Gastroenterol Hepatol 2:135-8. 2004..The study provides information on the value of the poorly absorbed drug rifaximin in therapy of travelers' diarrhea... - Prevalence of enteric pathogens among international travelers with diarrhea acquired in Kenya (Mombasa), India (Goa), or Jamaica (Montego Bay)Zhi Dong Jiang
Center for Infectious Diseases, University of Texas Houston School of Public Health, Houston, TX 77030, USA
J Infect Dis 185:497-502. 2002..Quinolones were active against the bacterial enteropathogens in the 3 sites... - Diet in the treatment of diarrhea: from tradition to evidenceRobert Steffen
Clin Infect Dis 39:472-3. 2004 - Markers of inflammation in bacterial diarrhea among travelers, with a focus on enteroaggregative Escherichia coli pathogenicityDavid E Greenberg
Baylor College of Medicine, Houston, Texas, USA
J Infect Dis 185:944-9. 2002..Bacterial pathogens causing traveler's diarrhea commonly produce intestinal inflammation, although a subset of patients with EAEC-associated diarrhea fail to develop an inflammatory response... - Immunogenicity of booster vaccination with a virosomal hepatitis A vaccine after primary immunization with an aluminum-adsorbed hepatitis A vaccineBernard R Beck
Department of Medical and Diagnostic Services, Swiss Tropical Institute, Basel, Switzerland
J Travel Med 11:201-6. 2004..CONCLUSION: Epaxal can be successfully used to boost immunization following primary vaccination with an aluminum-adsorbed vaccine, and is well tolerated... - Tsunami and the role of the international travel health communityAnnelies Wilder-Smith
J Travel Med 12:117-9. 2005 - Traveler's diarrhea: epidemiology and impact on visitors to Fortaleza, BrazilAnamaria Cavalcanti
Instituto de Pós Graduação Médica Carlos Chagas, Rio de Janeiro, RJ, Brazil
Rev Panam Salud Publica 11:245-52. 2002..To assess the epidemiology and impact of traveler's diarrhea (TD) among visitors to the city of Fortaleza, Ceará, Brazil, as part of a global study on TD carried out in four countries... - Phenotypic diversity of enterotoxigenic Escherichia coli (ETEC) isolated from cases of travelers' diarrhea in KenyaHind I Shaheen
Naval Medical Research Unit No. 3, Cairo, Egypt
Int J Infect Dis 7:35-8. 2003.... - Rate of occurrence and pathogenic effect of enteroaggregative Escherichia coli virulence factors in international travelersZhi Dong Jiang
The University of Texas Health Science Center School of Public Health, Houston, Texas 77030, USA
J Clin Microbiol 40:4185-90. 2002..The different patterns of virulence factors of EAEC revealed several clusters demonstrating diversity among the isolates from the various regions... - Health risks in travelers to China: the GeoSentinel experience and implications for the 2008 Beijing OlympicsXiaohong M Davis
Division of Global Migration and Quarantine, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
Am J Trop Med Hyg 79:4-8. 2008..Tropical and parasitic diseases were rare. Pre-travel consultation for China travelers should be individualized according to these findings...