The seroprevalence of the virus was evaluated, and its association with age, gender, and clinical conditions (including diabetes and febrile illness) among children was analyzed.<h4>Results</h4>The overall seropositivity rates for B19V-specific IgG and IgM were 32.5% and 6.2%, respectively, while 2.8% of the total tested patients were positive for both IgG and IgM antibodies. The gene discussed is CD40LG; the disease is diabetes mellitus.