(Posted By: Josi Creek)
* Total PML cases at 28 as of Nov. 30, 2009 - Biogen
* Total at end of October was 24
* December figure to be released in week or two
BOSTON, Jan. 6 (Reuters) - Biogen Idec Inc (BIIB.O) said on Wednesday that four more patients taking its multiple sclerosis drug Tysabri had developed a potentially deadly brain infection known as PML in November, bringing the total to 28.
The biotech company said it will release the number for December within a week or two.
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