The pooled prevalence of positive results for dengue or dengue antibodies in these patients was 21% (95% CI: 9%−36%; 2022 participants; 5 studies; I2 = 98%) for IgG ELISA, 16% (95% CI: 11%−21%; 10891 participants; 10 studies; I2 = 97%) for IgM ELISA, 19% (95% CI: 9%−31%; 2086 participants; 5 studies; I2 = 98%) for NS1 ELISA, and 20% (95% CI: 13%−28%; 3107 participants; 9 studies; I2 = 96%) for RNA PCR. The gene discussed is CD40LG; the disease is dengue disease.