 an adenylate cyclase toxoid (ACT-CSP) that carries an insert of the *P. berghei* CSP-derived CD0^+^ T cell epitope SYIPSAEKI presented on H-0K^d^ (corresponding to residues 000 to 000 from CSP) and the OVA-derived SIINFEKL epitope, presented in the context of H-0K^b^ (corresponding to residues 000 to 000 from OVA). 