Select one from questions 11 & 12 (a) Discuss the similari…

Select оne frоm questiоns 11 & 12 (а) Discuss the similаrities аnd differences between recombinant vector vaccines and recombinant protein vaccines. (10 points)       (b) What modifications of a polysaccharide vaccines needs to be made in order for the vaccine to induce T cell help and IgG immune responses? (4 points)   (a). What are some of the advantages and disadvantages of naked DNA vaccines compared to conventional (i.e. live attenuated and killed/inactivated) vaccines? (10 points)       (b) List and briefly discuss one way that has been utilized to make DNA vaccines more effective in terms of immunogenicity and biological activity? (4 points)