23rd May 2024

A 50-year-old lady presents to the acute medical unit with acute spastic paralysis and disorientation

A 50-year-old lady presents to the acute medical unit with acute spastic paralysis and disorientation. She returned from a trip to the Pacific islands 2 weeks ago and has been feeling unwell since. Initially, her partner reports flu-like symptoms, headaches and fever, however she developed her neurological symptoms today. Her partner explained that they went trekking and were bitten by mosquitoes. Neither took any prophylaxis prior to travelling.

What is the most likely cause of her symptoms?

Select the SINGLE most appropriate option from the list below. Select ONE option only.