Biogen's GAAP net income for 6 months of 2023 was $0.981 billion, down 23.2% from $1.277 billion in the prior year. Revenue declined 3.9% to $4.919 billion compared to $5.121 billion a year earlier.
Biogen's GAAP net income for 6 months of 2023 was $0.981 billion, down 23.2% from $1.277 billion in the prior year. Revenue declined 3.9% to $4.919 billion compared to $5.121 billion a year earlier. 
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