signing a written informed consent (by the patients or his/her legal representant);
clinical suspect of encephalopathy (acute or subacute) including acute encephalitis, neurodegenerative disorders and HIV-associated neurocognitive disorders.
age\>18 years;
signing a written informed consent (by the patients or his/her legal representant); • clinical indication for rhinoscopy for stenotic disease of nasal sept or turbinates.
You may not be if
Nasal anatomical abnormalities precluding the execution of nasal brushing;
Serious general conditions and/or comorbidities in patients for whom nasal brushing may be a risk factor precipitating their pre-existing condition;
