Other pertinent results related to our case were the negative findings for several viral and parasitic infections that were considered in the differential diagnosis, these included: dengue virus fever, HIV testing, malaria smear, strongyloidiasis serum antigen, parvovirus B19 Immunoglobulin M (IgM), and Lyme disease (Table 2). The gene discussed is CD40LG; the disease is parasitic infectious disease.