This programme could hold the key to solving global health challenges

• Fewer resources are generally brought to bear on health challenges that predominantly affect lower-income countries.
• But there is much best practice to be learned from many of those same countries.
• A new programme is identifying the policies, strategies and programmes that have helped drive their success.

Despite the dedicated work of tens of thousands of scientists around the world, the novel coronavirus is still mostly a mystery. More than six months after it began infecting people, we do not know very much about how the virus behaves, why so many people seem to be asymptomatic, or why others get so sick.

Global health is full of puzzles. Many of them,...