Fifty HHCs (16.6%, 50/301) were excluded from the HHC infection analysis due to dengue infections at enrollment based on anti-dengue IgM positivity (22/301), anti-dengue IgM being indeterminate (22/301), anti-dengue IgG seroconversion at visit 2 (5/301), and DENV RNA+NS1 positivity (1/301). The gene discussed is CD40LG; the disease is infection.