Vaccines have the ability to provoke immune responses. A cancer vaccine could be a vaccine intended to re-educate immune system and to spot and destroy cancer cells. Cancer vaccines are categorised into 2 types: prophylactic and therapeutic cancer vaccines. Therapeutic cancer vaccines are the vaccines for subsisting cancer. Therapeutic cancer vaccines emerge as cancer vaccine modality. Various therapeutic cancer vaccines with different plan of action are becoming successful for some cancer types. The approach towards study of cancer vaccines paves way for new developments. The cancer vaccine research faces various obstacles while developing. Different delivery systems show speedy conveyance of the medicament. Finally, we call attention to the therapeutic cancer vaccine as ideal cancer vaccine! This article highlights different types of vaccines and challenges during vaccine development.
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