Pfizer

Acquiring Alexion would bolster AstraZeneca in areas such as the treatment of blood disorders.

Pharmaceutical giants including AstraZeneca, GlaxoSmithKline and J&J race to develop a coronavirus vaccine. Blackstone Group and Global Infrastructure Partners reportedly offer to buy railroad operator Kansas City Southern. Roark buys ServiceMaster Brands.

Mergers & Acquisitions explores 5 ways the coronavirus is changing dealmaking, as pharmaceutical companies scramble to develop vaccines, diagnostic tools and treatments.

With the pandemic spreading, pharmaceutical manufacturers, such as Merck and Novavax, are buying biotech companies to ramp up Covid-19 research.

Pfizer merges Lipitor and Viagra brands with Mylan. HGGC buys Monotype. Thoma Bravo acquires J.D. Power.