Guillain-Barré syndrome – France - Martinique

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On 25 January 2016, the National IHR Focal Point of France notified PAHO/WHO of 2 cases of Guillain-Barré Syndrome (GBS) in Martinique.

At present, available information is insufficient to interpret the observed differences in GBS incidence globally and among Brazilian states. The potential cause of the reported increase of GBS incidence in certain Brazilian states remains unknown. Case-control studies are ongoing to determine the cause of the increase. These studies may provide evidence that corroborates or disproves a causal relationship between Zika virus, GBS and other congenital malformations. WHO continues to monitor the epidemiological situation and conduct risk assessment based on the latest available information.

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