“…So far, research related to diphtheria has focused more on analyzing the impact of diphtheria vaccine administration. Related to research on the factors involved, previous studies have stated that the risk factors that influence the occurrence of diphtheria cases are demographics [10,14], the administration of vaccines [1,14,15], and familial wealth [14]. For this reason, this research will forecast the number of diphtheria cases by involving the variables of various vaccines that have been obtained, the number of cases in the previous period, and population density.…”