American with Tysabri-Related PML Passes Away

Bad, very bad week for Tysabri — and for people with MS.  Not only was a new case of PML reported in the EU this week, the American who developed PML this fall has passed away:

“An American who developed progressive multifocal leukoencephalitis (PML) this fall after being treated for MS with Tysabri has died.”
full story at the Multiple Sclerosis Foundation site