<unk>  is inflammation of the brain parenchyma and it is commonly caused by viruses. COVID-19 is a virus related to the severe acute respiratory syndrome coronavirus (SARS-CoV) group and named as SARS-CoV-2.<unk>  was first discovered by Moriguchi T. et al. a Japanese critical care physician in late February 2020 during the pandemic of SARS-Coronavirus-2: SARS-CoV-2. The association between COVID-19 and<unk>  was made early in the pandemic in the Wuhan province of China. There is no established system for the classification of<unk> . The exact pathogenesis of COVID-19<unk>  is not fully understood.<unk>  must be differentiated from other diseases that cause fever, headache, and altered mental status with or without cough.
COVID-19-associated encephalitis
COVID-19-associated meningitis
COVID-19-associated stroke
COVID-19-associated polyneuritis cranialis
COVID-19-associated encephalopathy
COVID-19-associated hemodialysis
COVID-19-associated myelitis
Western equine encephalitis