neurologic disorders
Guillain Barré Syndrome (GBS)
Etiology of GBS
Although the cause of Guillain-Barré syndrome is not fully understood, it is thought to be autoimmune. In about two thirds of patients, Guillain-Barré syndrome begins 5 days to 3 weeks after a banal infectious disorder, surgery, or vaccination. Infection is the trigger in > 50% of patients; common pathogens include Campylobacter and Related Infections None Enteric viruses Overview of Herpesvirus Infections (including cytomegalovirus and Epstein-Barr virus) Mycoplasmas species A cluster of cases followed the swine flu vaccination program in 1976, but the association was later shown to be spurious, due to ascertainment bias. In some patients, Guillain-Barré syndrome has developed after a Zika Virus (ZV) Infections or after Adverse effects of immune checkpoint inhibitors include a syndrome that resembles Guillain-Barré syndrome. If weakness progresses for > 2 months, Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) is diagnosed. 