Table 1.

 Clinical, laboratory, electroencephalographic, and radiological features of six patients with pandemic influenza A (H1N1) 2009 associated neurological symptoms

Age in years	Sex	Chronic illnesses	Time from onset of influenza symptoms to start of neurological symptoms	Neurological finding	CSF finding	EEG	Imaging studies	Outcome
15	Male	No	5 day	Delirium	Normal	Slowness in left hemisphere	MRI normal	Recovered
53	Female	No	4 day	Grand mal seizures, Confusion	Normal	Normal	MRI normal	Recovered
65	Female	Early Alzheimer’s disease	3 day	Delirium	Normal	Severe slowness	MRI with brain atrophy	Recovered to pre‐existing state
16	Female	No	2 day	Unconsciousness	Normal	Epileptiform discharges	MRI normal	Recovered
38	Female	No	2 day	Confusion, disorientation, decreased level of consciousness	Normal	Normal	CT scan normal	Recovered
1	Female	No	1 day	Grand mal seizure	Not done	Normal	Not done	Recovered

CSF, cerebral spinal fluid; CT, computed tomography; EEG, electro encephalogram; MRI, magnetic resonance image.