Europejskiego Centrum Zapobiegania i Kontroli Chorób European Centre for Disease Prevention and Control (ECDC) 2014–15 influenza season ecdc (european centre for disease prevention and control) Seasonal influenza health topic European Centre for Disease Prevention and Control (ECDC) Europejskiego Centrum Zapobiegania i Kontroli Chorób European Centre for Disease Prevention and Control (ECDC) ECDC: Seasonal Influenza - Questions and Answers mājaslapā European Centre for Disease Prevention and Control (ECDC)