is_manufactured_by has role immunizes recipient Homo sapiens trivalent influenza vaccine influenza vaccine (split virion, inactivated) Flu-Imune vaccine Vaccine sold for 1993-1994 influenza season. vaccine https://cvi.asm.org/content/cdli/1/1/16.full.pdf A trivalent inactive influenza virus vaccine. Flu-imune Oliver He Kallan Roan inactivated vaccine role Lederle Laboratories Division