To make sure that vaccines present robust and lasting immunization, it’s usually essential to complement the precise vaccine (antigen) with components that stimulate the immune system: adjuvants. At the moment, only some substances have been authorised to be used as adjuvants. A analysis staff has now launched a spectrum of potential adjuvants. They began with the immune stimulant ?-glactosyl ceramide (?-GalCer) and synthesized many alternative variants from a set of 4 constructing blocks.