Rapid risk assessment: outbreak of measles linked to a dog show in Slovenia, 8–9 November 2014

Risk assessment

​An outbreak of measles was reported in November 2014 from Slovenia. There is strong epidemiological evidence that the audience and exhibitors at this event were exposed to a contagious measles case. It is possible that some of the international visitors may have become infected and later developed measles in their respective countries of residence.

Executive summary

An outbreak of measles was reported in November 2014 from Slovenia. Of the 19 measles cases reported from Nova Gorica, Slovenia, 17 had a history of visiting an international dog show which took place on 8 and 9 November 2014. There is strong epidemiological evidence that the audience and exhibitors at this event were exposed to a contagious measles case. It is possible that some of the international visitors may have become infected and later developed measles in their respective countries of residence.

The risk of extensive spread from this outbreak is considered low, and the risk that it would result in re-establishment of endemic measles transmission Slovenia is considered very low.

The organisers of the event and the public health authorities should consider contacting the exhibitors, inquiring about their vaccination status and any additional cases of measles. Contact tracing should be conducted for all identified measles cases.