Following reports of cases of locally transmitted dengue infection in the Autonomous Region of Madeira, Portugal, ECDC published a rapid risk assessment on 11 October 2012.

On 17 October 2012 an update of the figures of cases for dengue infection was published by the Portuguese Ministry of Public Health (Direcção-Geral da Saúde).

The reported number is now 37 confirmed and 262 probable cases. Thirty people needed hospitalisation and six are still in hospital.