You're reading: Washington Post: What you need to know about coronavirus

What began with a handful of mysterious illnesses in a vast central China city has now traveled the world, jumping from animals to humans and from obscurity to international headlines. First detected on the last day of 2019, the novel coronavirus has infected tens of thousands of people — within China’s borders and beyond them — and has killed more than 2,500. It has triggered unprecedented quarantines, stock market upheaval and dangerous conspiracy theories.

Read more here.