Table 2. Brain areas affected in 13 hospitalized patients with Powassan/deer tick virus encephalitis, New York, USA, 2004–2012.

Areas affected	No. (%) patients
Regions
Cerebral cortex	7 (54)
Basal ganglia	7 (54)
Brain stem	4 (31)
Cerebellum	3 (23)
Thalamus	3 (23)
Meninges	2 (15)
Sides
Left	9 (69)
Right	2 (15)
Bilateral	2 (15)