IgM autoantibodies that were moderate or strongly reactive to rat DRG were observed in proportionally more sera (32.3%: p ≤ 0.0001) of patients with ZIKV-GBS compared with patients with ZIKV-OND (16.7%), patients with ZIKV-CON (3.9%), and those from other control (CON) groups (0.0%) (Table 1). The gene discussed is CD40LG; the disease is Guillain-Barre syndrome.