id	keyword
fnp-3347	dementia
fnp-3347	infection
fnp-3347	host
fnp-3347	brain
fnp-3347	virus
fnp-3347	cns
fnp-3347	viruses
fnp-3347	disease
fnp-3347	figure
fnp-3347	system
fnp-3347	encephalitis
fnp-3347	age
fnp-3347	chronic
fnp-3347	cells