José Manuel Barroso

Two years into the worst pandemic in a century, it is tempting to think that the world is stuck in a time warp, unable to shake off a virus that has so far killed more than 5.6 million people and wrecked countless livelihoods.

The Covid-19 pandemic has instilled many harsh lessons for the world. But the most important one is that infectious-disease outbreaks pose a risk not just to public health, but also to global security.