The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue of CDTR covers the period 8-14 February and includes updates on STI cases, chikungunya, Ebola, measles, avian influenza A (H9N2, H5N1), swine influenza A(H1N2), influenza (H10N3) and an overview of respiratory virus epidemiology in the EU/EEA.