The Asian Tiger, Asian Bush and Yellow Fever mosquitos have made themselves at home in Europe throughout the last years, bringing with them some of the more exotic diseases, rarely seen in the EU before.
This document assesses the risk related to dengue for EU/EEA citizens travelling to or residing in Réunion, and the risk related to having an outbreak of dengue in mainland EU/EEA following introduction of the virus from Réunion.
On 20 and 24 November 2019, respectively, the Dutch public health authorities confirmed two imported cases of Lassa fever from Sierra Leone. Both were Dutch healthcare workers who worked in a rural hospital in Sierra Leone.