The results of our investigation also revealed positive and significant (OR > 1; p < 0.05) relationships between enteric fever infection and leukopenia, thrombocytopenia, lymphopenia, monocytopenia, low hemoglobin, hematocrit, mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and plateletcrit levels as well as high platelet distribution width (PDW) and erythrocyte sedimentation rate 1 (ESR1) levels. The gene discussed is ESR1; the disease is lymphopenia.