Tysabri Turns Two
Published Story by art
Tysabri has been back  on the market for 2 years now. A whopping
17,800 people are taking it in the US, with 13,400 more world-wide. No
new cases of confirmed PML have been seen, but only 6,600 people have
been on Tysabri for more than 18 months.
So far, so good!