Table 1.

Body of knowledge for the practice of travel medicine as defined by the ISTM

BODY OF KNOWLEDGE*FACTORS TO CONSIDER
EpidemiologyGlobal distribution of diseases or geographic specificity
Immunology or vaccinologyLive versus inactivated vaccines; measurement of immune response
Vaccine storage and handling
Types of available vaccines or immunizations:
  • indications or contraindications

  • dosing regimens

  • immunogenicity or effectiveness

  • adverse events

Pretravel assessment or consultationPatient evaluation (fitness to fly)
Risk assessment:
  • itinerary

  • activities

  • relevant medical history

Special populations (eg, elderly patients; those with chronic illnesses; children; women who are pregnant or breastfeeding; those visiting friends and relatives; immunocompromised patients; expatriates)
Special itineraries (eg, visiting armed conflict zones; diving; visiting extreme, wilderness, or remote regions; entering high altitudes)
Prevention and self-treatment:
  • chemoprophylaxis

  • personal protective measures

  • self-treatment (eg, traveler’s diarrhea, malaria)

  • travel health kits

Contacts with risk of communicable diseases:
  • animals

  • close interpersonal contact (eg, STIs)

  • fresh and salt water

  • food and water consumption

  • safety and security

  • walking barefoot

Diseases contracted during travelDiseases associated with the following:
  • vectors

  • person-to-person contact

  • ingestion of food and water

  • bites and stings

  • water and environment contact

Other clinical conditionsConditions such as the following:
  • barotrauma

  • jet lag

  • motion sickness

  • thrombosis or embolism

  • altitude sickness

  • frostbite and hypothermia

  • respiratory distress or failure (associated with humidity, pollution, etc)

  • sunburn, heat exhaustion, and sunstroke

Psychological and psychosocial issuesIssues such as the following:
  • acute stress reactions

  • culture shock or adaptation

  • psychological sequelae of travel or living abroad

Post-travel assessmentScreening or assessment of returned asymptomatic travelers
Triage of ill travelers
Administrative and general issuesMedical care abroad
Travel clinic management:
  • documentation or record keeping

  • equipment

  • infection-control procedures

  • management of medical emergencies

  • laboratory testing resources

Travel medicine information and resourcesResources such as the following:
  • commercial and proprietary sources

  • international health regulations

  • national or regional recommendations and differences

  • principles of responsible travel

  • ISTM—International Society of Travel Medicine, STI—sexually transmitted infection.

  • * For a complete list of topics outlined in the ISTM’s body of knowledge, visit www.istm.org/bodyofknowledge.

  • Data from ISTM.8