Tysabri (Natalizumab): An Additional Case
By ANDREW POLLACK
The New York Times
Published: March 4, 2005
The makers of the multiple sclerosis drug Tysabri said yesterday that a second patient who used the drug had been confirmed to be suffering from a rare but deadly brain infection. The confirmed diagnosis is likely to somewhat diminish the chances that the drug will be able to return to the market.
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