JC Virus - BK Virus

 

 

Progressive multifocal leukoencephalopathy (PML) is a fatal demyelinating disease caused by infection with JC virus or BK virus.

 

 

X-Linked Hyper IgM Syndrome

 

X-linked Hyper IgM syndrome - Fatal PML with JC virus and BK virus has been reported in a single adult patient with this disease.

DOCK8 Deficiency

 

DOCK8 Deficiency -Sporadic cases of PML due to JC virus have been reported