How close are countries of the WHO European Region to achieving the goal of vaccinating 75% of key risk groups against influenza? Results from national surveys on seasonal influenza vaccination programmes, 2008/2009 to 2014/2015
Jorgensen, P., Mereckiene, J., Cotter, S., Johansen, K., Tsolova, S., Brown, C.
Impact of hepatitis B vaccination on acute hepatitis B epidemiology in European Union/European Economic Area countries, 2006 to 2014
Miglietta, A., Quinten, C., Lopalco, P.L., Duffell, E.