A review paper is the one that simply appraises already published articles. It does not contain any primary research.
A systematic literature review attempts ‘to identify, appraise and summarise all the empirical evidence. Evidence must meet pre-specified eligibility criteria to answer a given research question. A systematic review of literature helps to develop the study that allows identification, quality, limitations and potential.
Moreover, they also show probable high risk areas in the future epidemics. These models are based on previous trends of incidents and climate factors. Thus they allow for better prediction of disease incidents or outcomes.