GALC and Guillain-Barre syndrome: Previously, the relation between C. jejuni infection and antibodies against gangliosides, including GM1, GM1b, GD1a, GalNAc‐GD1a, and GQ1b, has been well established in GBS.21, 22 In our region, there was a strong correlation between C. jejuni infection and anti‐GM1, anti‐GalNAc‐GD1a, and anti‐GM1:GalC complex antibodies.