James Brumley has positions in Coca-Cola. The Motley Fool has positions in and recommends Amazon, Equifax, MercadoLibre, ...

Pfizer Inc faces a new challenge as Enanta Pharmaceuticals sues over a patent infringement concerning Paxlovid in the EU.

Enanta Pharmaceuticals has initiated legal action against Pfizer (PFE) over a patent infringement related to Paxlovid, ...

COVID cases go up nationwide every summer, but PSAs cautioning the public about that fact seem to be an endangered species.

Pfizer faces challenges from pricing pressures, a 2026 patent cliff, and weak R&D momentum. Click here to find out why I rate PFE stock a Sell.