The vaccine demonstrated around 75–80 percent protection in clinical trials and has been rolled out in about 20 countries. Hill said the award recognised the hundreds of people involved in the vaccine’s development, inspired by his experience witnessing malaria’s impact.

Credits: Unsplash; Author: Ben Seymour;

Recommended by the World Health Organization in 2021, the vaccine costs about 2.50 pounds per dose and remains stable for up to two years under standard refrigeration, making it suitable for remote regions. Ghana became the first to approve it in 2023, helping prevent thousands of deaths.