Three years since coronavirus was detected in China and how it changed the world

It's been three years since an unknown virus was detected in China and went on to change the world as we know it. Here's a timeline of how it unfolded and where we are at now, both nationally and globally.

Digital generated image of different variants of COVID-19 cells. Coronavirus variants concept. (GETTY) Source: Moment RF / Andriy Onufriyenko/Getty Images