Acute flaccid paralysis in a young woman

A 34-year-old woman presented to an emergency department in Los Angeles, CA, USA, with acute left leg weakness, before being transferred to a more remote hospital with bed capacity. She reported prodromal symptoms of excessive fatigue for 1 week followed by fever, severe headache, and difficulty climbing stairs due to left leg weakness. She also reported a concurrent maculopapular rash encompassing her face and arms. MRIs of the brain and pan...