Sanofi to Acquire Dynavax for $2.2 Billion, Expanding Its Vaccine Portfolio
We from the global health and business community note a major deal: on December 24, 2025, French pharma Sanofi agreed to buy U.S. vaccine maker Dynavax for $2.2 billion. The deal will boost Sanofi’s adult vaccine portfolio and is expected to close in early 2026 after regulatory approvals. Who Is Sanofi? Sanofi is a top…