ECDC regularly assesses new evidence on variants detected through epidemic intelligence, rules-based genomic variant screening or other scientific sources.
Risks of an adverse event following influenza vaccination are far less common than complications related to influenza itself, and the adverse events are generally localised and mild.
HelicsWin.Net (also referred to as HWN) is a software application developed for the manual entry of data of the ECDC HAI-Net surveillance of healthcare-associated infections (HAIs).