COVID-19. Electrophysiology was consistent with demyelinating or axonal GBS. MRI showed enhancement of the caudal nerve roots or facial nerve. Symptoms rapidly progressed to tetraplegia requiring mechanical ventilation. Antiganglioside antibodies in 3/6 tested patients were negative. All received IVIg with variable recovery; 1 died.
The third series refers to 2 men from Spain who, 3–5 days after experiencing low-grade fever, malaise, anosmia, and ageusia, developed MFS or polyneuritis cranialis.10 The patient with MFS presented with oculomotor nerve palsies, diplopia, perioral paresthesias, areflexia, ataxia, and ele