Which infection is commonly linked as a preceding event to Guillain-Barré syndrome?

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Multiple Choice

Which infection is commonly linked as a preceding event to Guillain-Barré syndrome?

Explanation:
Guillain-Barré syndrome often follows an infection, with Campylobacter jejuni gastroenteritis being the classic preceding event. The idea is that the immune response to Campylobacter can cross-react with peripheral nerve components due to molecular mimicry, producing anti-ganglioside antibodies that damage the myelin or axons of peripheral nerves. This autoimmune attack leads to the rapid, ascending weakness and areflexia seen in GBS. The other infections listed are not commonly linked as triggers for GBS, making Campylobacter jejuni the best association to remember.

Guillain-Barré syndrome often follows an infection, with Campylobacter jejuni gastroenteritis being the classic preceding event. The idea is that the immune response to Campylobacter can cross-react with peripheral nerve components due to molecular mimicry, producing anti-ganglioside antibodies that damage the myelin or axons of peripheral nerves. This autoimmune attack leads to the rapid, ascending weakness and areflexia seen in GBS. The other infections listed are not commonly linked as triggers for GBS, making Campylobacter jejuni the best association to remember.

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