Chikungunya is not endemic in the EU/EEA and the majority of the cases are travellers infected outside of the EU/EEA. When the environmental conditions are favourable, in areas where Ae. albopictus is established, viraemic travel-related cases may generate a local transmission of the virus as demonstrated by the sporadic events of chikungunya virus transmission since 2007.
Immunisation is the cornerstone of polio eradication. Two types of vaccine are available: an inactivated poliovirus vaccine (IPV) and a live attenuated OPV.
EU case definition for diarrhoea and haemolytic uremic syndrome (HUS) caused by the epidemic strain Shiga toxin 2-producing Escherichia Coli (STEC) O104:H4
Public health advice on prevention of diarrhoeal illness with special focus on Shiga toxin - producing Escherichia coli (STEC), also called verotoxin - producing E. coli (VTEC) or enterohaemorrhagic E. coli (EHEC)