New psychiatric symptoms (HSV)
Cognitive deficits
Aphasia, amnesia, confusion
Seizure
Movement disorder (arboviruses)
Fever and meningeal signs are almost always present
Dysuria and pyuria (St. Louis<unk> 
Extreme lethargy (West Nile<unk> 
Aphasia, amnesia, confusion
Encephalitis
SAH
Meningitis 
Lyme disease
Meningitis
Brain abscess
Meningoencephalitis
Bacterial endocarditis