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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 from 10-16 February 2019 and includes updates on Middle East respiratory syndrome coronavirus (MERS-CoV), dengue, Ebola virus disease, influenza, influenza A(H9N2) and measles.

This rapid risk assessment addresses the public health risk associated with the current Ebola virus outbreak in the Democratic Republic of the Congo (DRC) and its implications for EU/EEA citizens.

Influenza epidemics occur every winter with high impact on disease burden, hospitalisations and excess mortality in countries in the WHO European Region. To understand the characteristics of circulating influenza viruses during seasonal epidemics, virological influenza surveillance is performed and detected viruses are further characterised at national influenza centres (NICs) that are part of the wider network of the WHO Global Influenza Surveillance and Response System (GISRS). External quality assessments (EQAs) are important instruments in assessing the quality of the generated data that are reported nationally and internationally through The European Surveillance System (TESSy).