Which 2009 pharmaceutical mega-merger created one of the world's largest prescription drug companies and combined the makers of Lipitor and Viagra under one corporate umbrella?

The pharmaceutical industry has seen numerous significant mergers and acquisitions that have reshaped the medical landscape. These strategic consolidations have created some of today's largest healthcare corporations, combining research capabilities, product portfolios, and market reach. Test your knowledge about one of the most impactful pharmaceutical mergers in recent history that changed how certain medications are developed and distributed worldwide.

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Pfizer's acquisition of Wyeth for $68 billion
Merck's merger with Schering-Plough for $41 billion
Roche's takeover of Genentech for $46.8 billion
Abbott's purchase of Solvay Pharmaceuticals for $6.2 billion