River - what I saw was a comment here by Sally C. on 12-15-06
"According to the WSJ article, by staff reporter Sylvia Pagan Westphal:
The analyst's report describes seven non-PML deaths in patients taking Tysabri that "appear to be related to immunosuppression." One death was owing to pneumocystis pneumonia, an infection that only patients with severely debilitated immune systems get; another was because of herpes encephalitis, a rare infection of the central nervous system. Four other deaths were possibly caused by sepsis, an uncontrolled infection that spreads through the body. The report mentioned that the FDA database contained "numerous" accounts of serious, nonfatal infections that "suggest again that the toll from Tysabri extends beyond PML." I have too few posts to link but ...
drug-injury.com/druginjurycom/2005/09/analyst_report_.html

I'm by far an expert but to me this looks like 7. If correct or not I'm am still going TY. What does concern me is "The report mentioned that the FDA database contained "numerous" accounts of serious, nonfatal infections that "suggest again that the toll from Tysabri extends beyond PML."