One Tysabri PML patient deteriorates, one improves (Reuters)Reuters - One of two patients who developed a
potentially deadly brain infection after taking the multiple
sclerosis drug Tysabri is deteriorating, while one is
recovering, according to a researcher involved in their care.
http://us.rd.yahoo.com/health/news/rss/search/*http://health.yahoo.com/news/reuters/biogen_tysabri_dc.html