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Spotlight on measles 2010: ongoing measles outbreak in Northern Ireland following an imported case, September-October

R Smithson1, N Irvine, C Hutton

  • 1Health Protection Service, Public Health Agency, Belfast, Northern Ireland. richard.smithson@hscni.net

Euro Surveillance : Bulletin Europeen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin
|November 20, 2010
PubMed

Insights

An ongoing measles outbreak in Northern Ireland included nine cases by October 2010. Genotyping suggests the outbreak originated from an unvaccinated visitor, highlighting risks from imported measles.

Area of Science:

  • Epidemiology
  • Infectious Diseases
  • Virology

Background:

  • Measles remains a significant public health concern globally.
  • Vaccination is the primary strategy for measles prevention and control.

Observation:

  • An outbreak of measles occurred in Northern Ireland in 2010.
  • The outbreak involved five laboratory-confirmed cases and four epidemiologically linked cases.
  • The index case was an unvaccinated individual visiting from another country.

Findings:

  • Genotyping indicated the measles virus strain originated from the index case's country of residence.
  • One confirmed case had received two doses of the measles-mumps-rubella (MMR) vaccine, suggesting potential vaccine failure or other contributing factors.

Implications:

  • This outbreak underscores the importance of maintaining high vaccination coverage to prevent measles importation and transmission.
  • Genotyping is a valuable tool for tracing the origin and spread of infectious diseases.
  • Further investigation may be needed to understand the case of vaccine failure in a fully vaccinated individual.

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