From the fightback against HIV/Aids to the rapid decline in child mortality, nations around the world have made great strides in health care in recent decades. Yet at least half the world's population lacks access to essential health care.
Reaching the U.N.'s target of universal health coverage -- providing equitable access to health care services, medicines and vaccines without pushing millions of vulnerable households into extreme poverty -- has rightly become a political priority. We can see welcome signs of momentum from governments around the globe.
