Novartis MF59®-adjuvanted Vaccine Rapidly Induces Protective Antibody Levels Against Diverse Strains Of Avian Flu (Medical News Today) A new study shows that individuals immunized six years earlier with an MF59 adjuvanted H5N3 (clade 0) vaccine mounted a protective immune response seven days after a single immunization with an H5N1 (clade 1) vaccine containing the Novartis proprietary adjuvant MF59. The immune response was broadly cross reactive and covered all H5N1 clades known to date. [News Source]