Table 5.

Antecedent infections in Guillain–Barré syndrome^a

• Campylobacter jejuni • Mycoplasma pneumoniae •Cytomegalovirus •Epstein–Barr virus •Varicella-zoster virus •Hepatitis viruses •HIV •Zika virus •COVID-19 ?

^aAn infection is identifiable in approximately two-thirds of patients but in others there is circumstantial evidence of a preceding infection or comparable process, e.g. onset of Guillain–Barré syndrome after operations, transfusions or immunizations.