Factsheet about seasonal influenza
Influenza is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year.
Three simultaneous, Food-borne, Multi-country outbreaks of hepatitis A virus infection reported in EPIS-FWD in 2013: What does it mean for the European Union?
Gossner, C.M., Severi, E.