Regarding the association between hematological parameters and enteric fever infection, positive and significant (OR > 1; p < 0.05) relationships between S.enterica (serovars Typhi and Paratyphi) infection, and leukopenia, thrombocytopenia, lymphopenia, monocytopenia, low hemoglobin, low hematocrit, low MCV, low MCH, low platelet, low plateletcrit, high PDW, high ESR1 were observed (Table 6). This evidence concerns the gene ESR1 and lymphopenia.