This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 29 October-4 November 2017 and includes updates on chikungunya, Legionnaires' disease, malaria, Middle East respiratory syndrome coronavirus (MERS-CoV), influenza A(H7N9), plague, poliomyelitis, seasonal influenza and West Nile virus.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 3-9 December 2017 and includes updates on influenza, Listeria monocytogenes IVb, measles, MERS-CoV, plague, poliomyelitis, rubella, and yellow fever.