The #1 New York Times Best-Selling series tells the story of how COVID-19, a coronavirus, was first identified and how it spread throughout the world in the new Who HQ Now format for trending topics. The coronavirus disease COVID-19 emerged in November 2019. By March 2020, cities all around the world closed schools, offices, restaurants and other public spaces deemed “non-essential” in an attempt to contain the fast-spreading virus. But the virus that caused one of the world’s deadliest pandemics eventually killed over two million people worldwide. This is the story of how COVID-19 changed the world seemingly overnight, and forever.