Injected trivalent inactivated influenza vaccines are most commonly used throughout the world. Influenza antigen preparation varies between manufacturers.
This joint guidance by the ECDC and EMCDDA aims to strengthen the evidence base for developing national strategies for preventing and controlling infections and infectious diseases among people who inject drugs.
Influenza is a disease of public health importance due to the substantial seasonal morbidity and mortality and the high pandemic potential of its aetiologic agents, influenza viruses.