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Updated: Jul 16, 2025

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease
Published on: April 28, 2019
A case of mild encephalitis associated with COVID-19
Kentaro Nagae1,2, Mizuki Haraguchi1,3, Takashi Sakoh1
1Department of Infectious Diseases Toranomon Hospital Tokyo Japan.
Abstract:
We report a case of mild encephalitis/encephalopathy with a reversible splenial lesion (MERS) in a 31-year-old man. He had been diagnosed with mild COVID-19 3 days earlier and presented to the emergency department with altered mental status. Brain magnetic resonance imaging (MRI) showed a high-intensity area confined to the splenium of the corpus callosum on diffusion-weighted imaging, which is consistent with MERS. MERS is characterized by a reversible change in the splenium of the corpus callosum. MERS secondary to COVID-19 has been reported recently. It is important to consider MERS in COVID-19 patients with impaired consciousness.
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