Communicable disease threats report, 12-18 May 2019, week 20

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 12-18 May 2019 and includes updates on poliomyelitis, chikungunya virus disease and dengue, measles, monkeypox, dengue, Ebola virus disease, influenza, Rift Valley fever, Crimean-Congo haemmorhagic fever and Legionnaires' disease.