Communicable disease threats report, 21-27 August 2016, week 34

Surveillance report
Publication series: Communicable Disease Threats Report (CDTR)
Time period covered: 21 - 27 August 2016

​The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue covers the period 21-27 August 2016 and includes updates on  Zika virus, yellow fever, West Nile fever and malaria in Greece.

Executive summary

This issue covers the period of 21 to 27 August 2016 and includes updates on West Nile fever and Zika virus infection.

West Nile fever

Since the beginning of the 2016 transmission season and as of 25 August 2016, 54 cases of West Nile fever in humans have been reported in EU Member States and 60 cases in the neighbouring countries. Of those, forty-three cases were reported in EU during the past two weeks, which indicates a clear increase. Read ECDC news update on increase of West Nile fever cases.

ECDC produces weekly West Nile fever maps during the transmission season (typically June to November) to inform blood safety authorities of affected areas. 


Since week 45/2015, 19 EU/EEA countries (Austria, Belgium, the Czech Republic, Denmark, Finland, France, Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden and the UK) have reported 1 334 travel-associated Zika virus infections through The European Surveillance System (TESSy). Over the same time period, six EU countries reported 75 Zika cases among pregnant women.

Eight new autochthonous cases have been reported in Florida since the previous weekly ECDC threat update, bringing the number of locally transmitted cases in the US to 43.

ECDC publishes an epidemiological update every Friday and continues to update maps containing information on countries or territories which have reported confirmed autochthonous cases of Zika virus infection. Zika Atlas is available on ECDC website. The latest ECDC Rapid Risk Assessment update was published on 12 July.