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The Occupational Health Service Institute (OHSI)

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Travelers Health & Immunization Service

A comprehensive medical and immunization service for persons traveling abroad.


To medically prepare individuals prior to business, recreation, and study travel.
To assess individuals, who have returned from foreign travel with a travel related illness.

Traveling to foreign destinations can present health hazards. Those hazards may be unique to the destination or common to most. An individual's health history may also impact the risk of foreign travel. The University of Illinois at Chicago School of Public Health Travelers Health and Immunization Service evaluates travelers, their destinations and related issues to prepare them for foreign travel. The Service also provides after-trip assessments and treatment recommendations for those returning with travel-related exposures and/or illnesses.

Whether traveling for business, recreation or academic enrichment, the Travelers Service can provide the necessary health services for a successful and enjoyable trip.


  • A review of the individual's medical history to assess specific risks related to foreign travel
  • Advice on safety and health risks at specific destinations based on CDC (Center for Disease Control) and WHO (World Health Organization) information
  • Administration of required immunizations (including Yellow Fever, where applicable)
  • Tips on avoiding or mitigating common travel illnesses
  • WHO International Certificate of Vaccinations provided
  • Preventive medications and treatments
  • Evaluation of travelers returning with health issues related to foreign travel


Hepatitis A Hepatitis B Influenza
Measles MMR Meningococcal
Mumps Polio PPD
Rabies Rubella Tetanus/Diptheria
Typhoid Varicella Yellow Fever


The Travelers Health and Immunization Program is part of the clinical services provided by teaching faculty of the Great Lakes Centers for Occupational and Environmental Safety and Health of the University of Illinois School of Public Health, a World Health Organization Collaborating Centre. Our physicians are board certified in Occupational Medicine and have between five and 25 years experience in providing services in both public and private sectors. In addition our group includes Industrial Hygienists and Occupational Health nurses thereby allowing for a full range of occupational health services.

Katherine Duvall MD,MPH is the Director of the Travelers Health and Immunization Program. She is board certified in Occupational Medicine and Assistant Professor at the School of Public Health.


Travel Clinic brochure (pdf file, 175KB)

Location and appointments

Travelers Health and Immunization Program is located in University Health Service
835 South Wolcott, Room E-144
Chicago, Illinois 60612


To make an appointment, please call 312-996-7420