Cyclospora infection linked to travel to Mexico, June to September 2015

Gordon L Nichols1, Joanne Freedman, Kevin G Pollock

  • 1National Infection Service, Public Health England, London, United Kingdom.

Insights

An increase in Cyclospora infections was found in travellers returning from Mexico. This highlights travel-related gastrointestinal infection risks and the need for better food hygiene in resorts.

Area of Science:

  • * Infectious Diseases
  • * Public Health
  • * Travel Medicine

Background:

  • * Cyclospora cayetanensis is an opportunistic parasite causing gastrointestinal illness.
  • * Increased travel to popular tourist destinations like Mexico necessitates surveillance for imported infections.

Purpose of the Study:

  • * To report the incidence of Cyclospora cayetanensis infections in travellers returning from Riviera Maya, Mexico.
  • * To identify potential sources of infection and inform public health strategies.

Main Methods:

  • * Retrospective analysis of Cyclospora cases identified in returned travellers.
  • * Data collection from UK cases included a food exposure questionnaire.

Main Results:

  • * 176 cases of Cyclospora cayetanensis were identified in travellers returning from Mexico between June and September 2015.
  • * Cases were reported in both the United Kingdom (79 cases) and Canada (97 cases).

Conclusions:

  • * Travel to endemic regions poses a risk for Cyclospora infections.
  • * Findings underscore limitations in current surveillance for Cyclospora.
  • * Improved food production hygiene in tourist resorts is crucial to prevent outbreaks.

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