Walmart, already partially responsible for the slow demise of America’s drug stores, is launching yet another CVS killer: 30-minute prescription delivery. Walmart’s pitch to customers is simple – fill your prescription,

The new service is already available in six states, and gives the supermarket giant a leg up against struggling drugstores like CVS and Walgreens.

Walmart is rolling out an express pharmacy delivery service that sends prescription medications and groceries right to your doorstep. The retail giant announced Tuesday that its new express delivery option allows customers to add prescriptions,

Walmart has begun a pilot program that delivers to people's doors prescription drugs and other items they order and pay for online.