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  • Nanoparticle-based vaccines (20-100 nm) aim to:
    • Deliver the vaccine molecules to the target site
    • Stimulate prolonged immune response
    • Cause minimal side effects
    • Require less doses for a sustained immune response
  • Nanoparticle Design
    • Vaccine antigens can either be:
      • Decorated on the nanoparticle surface, or
      • Encapsulated within the nanoparticle
  • Protects the antigen from premature degradation and elicit sustainable release of antigen
  • Targeting molecules e.g. antibodies, aid in delivery of particles into the antigen presenting cells (APCs) to induce innate and adaptive immune responses