"Viral encephalitides are the result of brain parenchymal infection by a number of different viruses, many of which have similar presentations and imaging features. Specific diagnosis often requires PCR."
"herpes simplex virus 1 (HSV-1)"
"herpes simplex virus 2 (HSV-2)"
"human herpesvirus 6 (HHV-6)"
"JC virus"
"JC virus granule cell neuronopathy"
"JC virus encephalopathy"
"SARS (SARS-CoV-1)"
"SARS (SARS-CoV-1)"
"COVID-19 (SARS-CoV-2)"
"Epstein-Barr virus (EBV)"
"B virus (herpesvirus simiae)"
"Japanese encephalitis"
"Murray Valley encephalitis"
"Powassan virus encephalitis"
"Rocio viral encephalitis"
"Saint Louis encephalitis"
"West Nile fever"
"Nipah virus (NiV) encephalitis"
"smallpox: eradicated disease; smallpox vaccine can lead to encephalitis 8,9"