An urgent warning has been issued to UK holidaymakers over the outbreak of a Victorian disease in 17 EU countries.
Measles outbreaks have been reported in 17 countries in the WHO European region.
Dr Jose Hagan, Team Lead for Vaccine-preventable Diseases and Immunization at WHO/Europe said: "All countries, including those verified as having eliminated endemic transmission of measles, must be vigilant for possible importation and spread of this highly contagious disease.