Robert Steffen

Summary

Affiliation: University of Zurich
Country: Switzerland

Publications

  1. doi request reprint Irritable bowel syndrome among a cohort of European travelers to resource-limited destinations
    Raffaela 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
  2. ncbi request reprint Epidemiology, etiology, and impact of traveler's diarrhea in Jamaica
    R Steffen
    Division of Epidemiology and Prevention of Communicable Diseases, University of Zurich, Institute of Social and Preventive Medicine, Switzerland
    JAMA 281:811-7. 1999
  3. ncbi request reprint Epidemiology of traveler's diarrhea
    Robert 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
  4. ncbi request reprint Changing travel-related global epidemiology of hepatitis A
    Robert 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
  5. ncbi request reprint Travel epidemiology--a global perspective
    Robert 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
  6. ncbi request reprint Vaccination priorities
    Robert 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
  7. doi request reprint Evaluation of mood profiles during malaria chemoprophylaxis: a randomized, double-blind, four-arm study
    Patricia Schlagenhauf
    Division of Epidemiology and Communicable Diseases, Center for Travel Medicine, University of Zurich, Zurich, Switzerland
    J Travel Med 16:42-5. 2009
  8. ncbi request reprint Epidemiology of travelers' diarrhea: details of a global survey
    Robert 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
  9. ncbi request reprint Prevalence of hepatitis A virus risk factors in a very low endemic country, Switzerland
    Meichun 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
  10. doi request reprint Economic aspects of travelers' diarrhea
    Mathyas Wang
    Faculty of Medicine, University of Zurich, Zurich, Switzerland
    J Travel Med 15:110-8. 2008

Detail Information

Publications55

  1. doi request reprint Irritable bowel syndrome among a cohort of European travelers to resource-limited destinations
    Raffaela 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...
  2. ncbi request reprint Epidemiology, etiology, and impact of traveler's diarrhea in Jamaica
    R 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...
  3. ncbi request reprint Epidemiology of traveler's diarrhea
    Robert 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...
  4. ncbi request reprint Changing travel-related global epidemiology of hepatitis A
    Robert 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...
  5. ncbi request reprint Travel epidemiology--a global perspective
    Robert 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...
  6. ncbi request reprint Vaccination priorities
    Robert 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...
  7. doi request reprint Evaluation of mood profiles during malaria chemoprophylaxis: a randomized, double-blind, four-arm study
    Patricia 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...
  8. ncbi request reprint Epidemiology of travelers' diarrhea: details of a global survey
    Robert 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
    ..Recent epidemiologic data on travelers' diarrhea (TD) are essential for the evaluation of conventional and future prophylactic and therapeutic measures...
  9. ncbi request reprint Prevalence of hepatitis A virus risk factors in a very low endemic country, Switzerland
    Meichun 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
    ....
  10. doi request reprint Economic aspects of travelers' diarrhea
    Mathyas Wang
    Faculty of Medicine, University of Zurich, Zurich, Switzerland
    J Travel Med 15:110-8. 2008
  11. doi request reprint Management of travelers' diarrhea by local physicians in tropical and subtropical countries--a questionnaire survey
    Maria 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...
  12. pmc Diarrhoea in a large prospective cohort of European travellers to resource-limited destinations
    Raffaela 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...
  13. ncbi request reprint Hepatitis A virus infections in travelers, 1988-2004
    Margot 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...
  14. doi request reprint Sex and gender differences in travel-associated disease
    Patricia 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...
  15. ncbi request reprint Vaccines in travel health: from risk assessment to priorities
    Robert 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
  16. pmc Imported infectious disease and purpose of travel, Switzerland
    Lukas 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...
  17. doi request reprint Imported typhoid fever in Switzerland, 1993 to 2004
    Andreas 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...
  18. ncbi request reprint Deaths caused by malaria in Switzerland 1988-2002
    Daniel 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...
  19. ncbi request reprint Influenza virus infection in travelers to tropical and subtropical countries
    Margot 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...
  20. doi request reprint 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...
  21. pmc Tolerability of malaria chemoprophylaxis in non-immune travellers to sub-Saharan Africa: multicentre, randomised, double blind, four arm study
    Patricia 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...
  22. ncbi request reprint Knowledge, attitudes and practices of business travelers regarding malaria risk and prevention
    Roger Weber
    Institute for Social and Preventive Medicine, University of Zurich, Zurich, Switzerland
    J Travel Med 10:219-24. 2003
    ..This study aimed to determine the knowledge, attitudes and practices of Swiss business travelers with regard to malaria...
  23. doi request reprint Travel and public health
    Manuel 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...
  24. pmc Imported malaria in children in industrialized countries, 1992-2002
    Katrin 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...
  25. pmc The Swiss National Vaccination Coverage Survey, 2005-2007
    Phung 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
    ....
  26. ncbi request reprint Malaria prophylaxis: setting the scene
    Robert 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
  27. doi request reprint Non-communicable health risks during mass gatherings
    Robert 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...
  28. ncbi request reprint Vaccination against enterotoxigenic Escherichia coli, a cause of travelers' diarrhea
    Robert 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
  29. ncbi request reprint Therapy of travelers' diarrhea with rifaximin on various continents
    Robert Steffen
    Division of Communicable Diseases, Institute of Social and Preventive Medicine of the University, Zurich, Switzerland
    Am J Gastroenterol 98:1073-8. 2003
    ..Our aim was to compare the efficacy and safety of rifaximin, a virtually nonabsorbed antibiotic, 600 and 1200 mg per day, with placebo in patients with travelers' diarrhea...
  30. ncbi request reprint Tuberculosis infection notification in Swiss medical students during their clinical electives
    Alexander Turk
    Institute for Social and Preventive Medicine, University of Zurich, Switzerland
    Int J Infect Dis 7:268-73. 2003
    ..Methods: This was a prospective cohort study of medical students at the University of Zurich, using a standardized tuberculin skin test before and after clinical electives...
  31. ncbi request reprint Travelers' diarrhea in the new millennium: consensus among experts from German-speaking countries
    Robert 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
  32. ncbi request reprint Use of the inactivated intranasal influenza vaccine and the risk of Bell's palsy in Switzerland
    Margot 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...
  33. ncbi request reprint Effectiveness of a repellent containing DEET and EBAAP for preventing tick bites
    Daniel Staub
    Institute of Social and Preventive Medicine ISPM, University of Zurich, Switzerland
    Wilderness Environ Med 13:12-20. 2002
    ....
  34. ncbi request reprint Migrants as a major risk group for imported malaria in European countries
    Patricia Schlagenhauf
    University of Zürich Travel Clinic and World Health Organization Collaborating Center for Travelers Health, Institute for Social and Preventive Medicine, University of Zurich, Sumatrastrasse 30, 8006 Zurich, Switzerland
    J Travel Med 10:106-7. 2003
  35. ncbi request reprint Prevention of travel-related infectious diseases: knowledge, practices and attitudes of Swedish travellers
    Atti La Dahlgren
    Institute for Social and Preventive Medicine, Division of Epidemiology and Communicable Diseases, University of Zurich, 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...
  36. ncbi request reprint Knowledge, attitudes and practices in travel-related infectious diseases: the European airport survey
    Koen 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
    ..This paper describes the methods used everywhere, and results from the European airports...
  37. ncbi request reprint Despite good tools, we do not effectively reduce travelers' hepatitis A
    Robert Steffen
    J Travel Med 9:1-2. 2002
  38. doi request reprint Gastrointestinal infection among international travelers globally
    Zoe 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...
  39. ncbi request reprint Global changes related to travelers' health
    Brian Gushulak
    J Travel Med 14:205-8. 2007
  40. doi request reprint Health risks among travelers--need for regular updates
    Robert Steffen
    J Travel Med 15:145-6. 2008
  41. ncbi request reprint Travelers' knowledge, attitudes, and practices on prevention of infectious diseases: results from a pilot study
    Koen 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
    ....
  42. ncbi request reprint Drug-free holidays: pre-travel versus during travel malaria chemoprophylaxis
    G 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...
  43. ncbi request reprint A randomized, double-blind, multicenter study of rifaximin compared with placebo and with ciprofloxacin in the treatment of travelers' diarrhea
    David 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...
  44. ncbi request reprint 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 vaccination
    Hans Dieter Nothdurft
    Department of Infectious Diseases and Tropical Medicine, University of Munich, Munich, Germany
    J Travel Med 14:181-7. 2007
  45. ncbi request reprint Rifaximin treatment of pathogen-negative travelers' diarrhea
    Herbert 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...
  46. ncbi request reprint Enteroaggregative Escherichia coli diarrhea in travelers: response to rifaximin therapy
    Rosa 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
    ..We have recently shown that enteroaggregative Escherichia coli (EAEC) strains commonly cause travelers' diarrhea. The study was designed to determine whether U.S. travelers with EAEC diarrhea responded to rifaximin therapy...
  47. ncbi request reprint 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...
  48. ncbi request reprint Diet in the treatment of diarrhea: from tradition to evidence
    Robert Steffen
    Clin Infect Dis 39:472-3. 2004
  49. ncbi request reprint Markers of inflammation in bacterial diarrhea among travelers, with a focus on enteroaggregative Escherichia coli pathogenicity
    David 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...
  50. ncbi request reprint Immunogenicity of booster vaccination with a virosomal hepatitis A vaccine after primary immunization with an aluminum-adsorbed hepatitis A vaccine
    Bernard R Beck
    Department of Medical and Diagnostic Services, Swiss Tropical Institute, Basel, Switzerland
    J Travel Med 11:201-6. 2004
    ..The option of using a virosomal, aluminum-free, HAV vaccine (Epaxal) for booster immunization following primary vaccination with an aluminum-adsorbed vaccine has been assessed...
  51. ncbi request reprint Tsunami and the role of the international travel health community
    Annelies Wilder-Smith
    J Travel Med 12:117-9. 2005
  52. ncbi request reprint Traveler's diarrhea: epidemiology and impact on visitors to Fortaleza, Brazil
    Anamaria 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...
  53. ncbi request reprint Phenotypic diversity of enterotoxigenic Escherichia coli (ETEC) isolated from cases of travelers' diarrhea in Kenya
    Hind I Shaheen
    Naval Medical Research Unit No 3, Cairo, Egypt
    Int J Infect Dis 7:35-8. 2003
    ....
  54. pmc Rate of occurrence and pathogenic effect of enteroaggregative Escherichia coli virulence factors in international travelers
    Zhi 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...
  55. ncbi request reprint Health risks in travelers to China: the GeoSentinel experience and implications for the 2008 Beijing Olympics
    Xiaohong 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...