​The first human case of West Nile fever in the EU/EEA has been reported this week. Greece reported one probable case in the Attiki region, more precisely in the eastern part of the region, on 16 July.

​Twelve new cases of West Nile fever were detected in the EU in the week to 15 August 2013. Austria reported its first confirmed case though the place of infection is still under investigation.

​Twelve new cases of West Nile fever in the European Union this week, 3 in Italy and 9 in Greece.

​During the past week, 26 new cases of West Nile fever were detected in the EU, which is the highest number of new cases for a week for the 2013 season so far.

​The West Nile fever season, as expected, is currently showing a peak with the number of cases reported and newly affected areas increasing.

​​Since 5 June, ECDC has published on its website weekly updates on spatial distribution of West Nile fever cases in the European Union and neighbouring countries. Cases reported in the EU were autochthonous human WN fever cases (neuro-invasive and non neuro-invasive), meeting laboratory criteria as per EU case definition (Directive 2008/426/EC) and all reported cases outside the EU.

​On 6 November 2013, Public Health Authorities in French Polynesia reported of an outbreak of sub-febrile and eruptive syndrome due to Zika virus spreading across the archipelago since week 41 of 2013. An outbreak of dengue type 1 and 3 is on-going in the archipelago since February 2013.

​The Hellenic Centre for Disease Control and Prevention (KEELPNO) has reported three autochthonous cases of Plasmodium vivax malaria up to 16 November 2013.

​As of 19 December 2013, the local health authorities of the French Caribbean Islands reported 26 confirmed and 12 probable autochthonous cases of chikungunya on the island of Saint Martin.

​An outbreak of chikungunya in the Caribbean region was reported from the French part of the island of Saint Martin on 5 December 2013.