Gilead Sciences

The vaccine will be available at low cost in 120 poor countries. But nearly all of Latin America was excluded from a deal with the drug's manufacturer, Gilead.

The nation's largest health insurer, UnitedHealth, will muscle up for its fight against rising prescription drug costs by spending more than $12 billion…

A new drug hailed as a breakthrough against hepatitis C comes at a price that puts treatment out of reach for most who need the medication -- $84,000 for…