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The challenge of ensuring equitable distribution of the coronavirus vaccine is one of global scale, and the city of Miami provides a backdrop for the social and economic divides that the medical community must overcome.

Amazon­.com took a leap toward delivering goods from the sky by becoming one of only a few companies certified by the U.S. government to operate as a drone airline.

Walmart Inc. is entering the drone delivery wars, its latest move to counter Amazon.com Inc.’s dominance in e-commerce as more Americans choose to shop from home.

Retail behemoth Amazon .com Inc. took a big leap toward delivering goods from the sky by becoming one of only a handful of companies certified by the U.S. government to operate as a drone airline.

The North Carolina Department of Transportation is preparing to launch a public-private partnership that will use drones in coronavirus-related relief efforts.

Government regulators plan to review drone designs in the same way they review other aircraft, a major step toward allowing routine drone deliveries and other flights over congested cities.

The Interior Department is banning nonemergency flights of its fleet of 810 drones as it reviews national security concerns about the Chinese-made devices.

Aerial drones are emerging as a way to help solve challenges associated with last-mile deliveries in a number of conditions and environments.

UPS Inc. won U.S. certification to fly drones under regulations similar to those for airlines, a milestone that allows the company to vastly expand airborne deliveries.

Wing Aviation, a subsidiary of Alphabet Inc., said it is collaborating with FedEx Corp.’s Express division and pharmacy retailer Walgreens to launch a drone-delivery service in Christiansburg, Va.