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The immunocompromised traveller

C P Conlon1

  • 1Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, UK.

British Medical Bulletin
|April 1, 1993
PubMed
Summary
This summary is machine-generated.

Immunocompromised travelers, including those with HIV or asplenia, require careful vaccine and travel planning. Live vaccines are generally contraindicated, while bacterial vaccines may be beneficial, necessitating individual risk assessment.

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Area of Science:

  • Travel Medicine
  • Infectious Diseases
  • Immunology

Background:

  • Growing numbers of immunocompromised individuals travel internationally, increasing exposure to infectious diseases.
  • HIV-positive individuals exhibit variable vaccine responses, particularly when symptomatic.
  • Conditions like asplenia and immunosuppression (e.g., chemotherapy, transplant) heighten risks for specific infections.

Purpose of the Study:

  • To provide guidance on travel health for immunocompromised populations.
  • To outline vaccine recommendations and contraindications for at-risk travelers.
  • To emphasize individualized risk-benefit assessments for international travel.

Main Methods:

  • Review of current literature and guidelines on travel-related infectious diseases and immunizations.

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  • Analysis of risks associated with specific travel destinations for immunocompromised individuals.
  • Consideration of vaccine efficacy and safety in immunocompromised states.

    • Main Results:

    • Live vaccines are generally contraindicated for all stages of Human Immunodeficiency Virus (HIV) disease.
    • Individuals with asplenia need immunization against encapsulated bacteria (pneumococcus, meningococcus, Haemophilus) and should avoid malaria-endemic areas.
    • Immunosuppressed patients (chemotherapy, transplant) should avoid live vaccines but may benefit from bacterial polysaccharide vaccines.

    Conclusions:

    • Individualized assessment of risks and benefits is crucial for immunocompromised travelers.
    • Travelers should carry a physician's letter detailing their medical condition and recommended precautions.
    • Prophylactic measures and review of routine immunizations are essential components of pre-travel preparation.