Zoonotic Influenza Vaccine Seqirus suspension for injection in pre-filled syringe Zoonotic influenza vaccine (H5N8) (surface antigen

A phase IV study to investigate the immunogenicity of the Seqirus licensed MF59 adjuvanted zoonotic influenza vaccine (H5N8) in adults previously vaccinated in 2009 with the Matrix M adjuvanted virosomal influenza (H5N1) vaccine compared to H5 naïve adults.

Phase IV multicenter immunogenicity and safety study of the Seqirus licensed zoonotic influenza vaccine (H5N8) in adults immunized with an H5N1/MF59 influenza vaccine, approximately 20 years before the trial, compared to H5 naive adult participants.