Monday, 16 September 2019

Workers pack a box of vaccines to be delivered by a Zipline drone, in Ghana April 22, 2019. Zipline drones, supported by Gavi and the UPS Foundation, cut the time taken to deliver lifesaving medical supplies from hours to minutes. Gavi/2019/Tony Noel via REUTERS

A woman packs a box of vaccines to be delivered by a Zipline drone, in Ghana April 22, 2019. Hundreds of drones will begin delivering life-saving vaccines, blood and medicines to patients in Ghana this week in the largest scheme of its kind. Gavi/2019/Isaac Griberg/Handout via REUTERS

Zipline drone takes off in Ghana, April 22, 2019. Drones will then fly in from four distribution centres, hover over health posts and drop deliveries using tiny parachutes. Gavi/2019/Tony Noel via REUTERS

A Zipline vaccine delivery lies on the ground in Ghana, April 23, 2019. The project - led by Zipline, a California-based robotics company - is designed to deliver to around 2,000 health facilities serving 12 million people across the west African country. Gavi/2019/Tony Noel via REUTERS

A nurse carries a Zipline vaccine delivery in Ghana, April 23, 2019. Zipline said a similar but smaller project had made more than 13,000 deliveries of blood products since it was launched in Rwanda in 2016. Gavi/2019/Tony Noel via REUTERS

A nurse unpacks a Zipline vaccine delivery in Ghana, April 23, 2019. Gavi/2019/Tony Noel via REUTERS