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Screening the returned traveller

D R Churchill1, P L Chiodini, K P McAdam

  • 1Hospital for Tropical Diseases, London, UK.

British Medical Bulletin
|April 1, 1993
PubMed
Summary
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Millions of people returning from tropical regions may need screening for infections. This review covers investigating asymptomatic disease in returned travelers to ensure public and individual health.

Area of Science:

  • Tropical Medicine
  • Infectious Diseases
  • Public Health

Background:

  • Each year, millions return to the UK from tropical areas, potentially exposed to various infections.
  • Returned travelers may seek medical care for symptoms, latent infections, or past illnesses.
  • Concerns include disease transmission and fitness for return travel, necessitating awareness of screening protocols.

Purpose of the Study:

  • To address the demand for screening investigations in asymptomatic returned travelers.
  • To provide guidance on investigating potential latent tropical infections.
  • To inform healthcare providers on managing health concerns of individuals returning from the tropics.

Main Methods:

  • Review of existing literature and guidelines on tropical infections in returned travelers.

Related Experiment Videos

  • Analysis of the rationale and challenges in screening asymptomatic individuals.
  • Discussion of risk stratification based on travel history and exposure levels.

    • Main Results:

    • The value of screening is difficult to quantify and depends on individual exposure risk.
    • Screening is clearly beneficial for high-risk groups like refugees.
    • For low-risk individuals, the benefit of screening may be minimal, but demand exists.

    Conclusions:

    • A demand for screening after tropical travel exists, requiring healthcare provider awareness.
    • Investigating asymptomatic disease in returned travelers is crucial for public health.
    • Risk assessment is key to determining the necessity and benefit of screening for tropical illnesses.