Discuss the recent advances, status of development and future perspectives of malaria vaccines. Start by talking about malaria and how important this disease is, its epidemiology and distribution in the globe, detailed life cycle and then start talking about the different possible points in the life cycle that could be interrupted to stop the transmission and/or disease process.
Regarding the symptoms and treatment, you can mention them in passing only yet that will not add to your final mark in the assignment  since the task is focusing on vaccines.
Incidentally, vaccines is massive topic in malaria and there are many reviews in the literature.