Measles outbreak on a cruise ship in the western Mediterranean, February 2014, preliminary report

S Lanini1, M R Capobianchi, V Puro

  • 1National Institute for Infectious Diseases (INMI) Lazzaro Spallanzani Rome, Italy.

Insights

A measles outbreak on a Mediterranean cruise ship in 2014 infected 27 people, including crew and passengers. Genotype B3 measles was identified, prompting a cross-border health alert and rapid response coordinated by Italy.

Area of Science:

  • Epidemiology
  • Public Health
  • Infectious Diseases

Background:

  • Measles outbreaks pose significant public health risks, especially in closed environments like cruise ships.
  • International travel can facilitate the rapid spread of infectious diseases across borders.

Purpose of the Study:

  • To report on a measles outbreak occurring on a cruise ship in the Mediterranean Sea.
  • To describe the epidemiological characteristics and response to a cross-border health threat.

Main Methods:

  • Case ascertainment and reporting of measles cases on board.
  • Viral genotyping to identify the measles strain.
  • Coordination of a rapid public health response through established alert systems.

Main Results:

  • A total of 27 measles cases were identified among crew members and passengers.
  • The identified measles genotype was B3.
  • The outbreak was declared a cross-border health threat due to the diverse nationalities involved.

Conclusions:

  • Cruise ship environments can facilitate measles transmission among diverse populations.
  • Effective international collaboration and rapid response systems are crucial for managing cross-border health threats.
  • Genotype B3 measles requires vigilant monitoring and control measures during international voyages.

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