History A 20-year-old male was admitted to a local hospital. He was diagnosed with simple dengue fever (NS1 antigen positive) with no signs of plasma leakage. After undergoing treatment, he made an uneventful recovery. Five days after discharge from the hospital, he noticed weakness in his right hand when he dropped a glass of water due to poor grip. Weakness was progressive in nature over one month. Following this, he again presented to the hospital.

At the time of the presentation, he could not write or button his shirt due to the weakness in his hands. Weakness of the left hand was milder than that of the right, confined to hands, and did not involve forearms or arms. He denied any accompanying numbness, paresthesia, or pain. On inquiry, he admitted having weakness in both feet, which did not significantly interfere with walking. There was no associated neck/back pain or…