In another separate study, Hamisu et al. [20] reported that 37.4% of subjects were positive for dengue IgM in Maiduguri, and Bello et al. [21], in a study conducted in Kaduna, reported 51.1% and 48.9% positive for dengue IgM in females and males, respectively. The gene discussed is CD40LG; the disease is dengue disease.