In poor countries people are living longer and healthier lives than ever. Since 2000 child mortality has fallen by almost half. The rate of new HIV/AIDS infections has dropped by 40%. About 7m deaths from malaria have been prevented.
Yet there is much more to be done. By one measure, the World Health Organisation reckons about 400m people still have no access to primary care—the basic form of medicine that should be at the forefront of any well-run health system. The real figure is probably much higher. And even for those fortunate enough to see a general practitioner, or more usually a semi-trained medic or quack, treatment is often dire.
Read more The Economist, 24 August 2017