HIGHLIGHTS
- 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 now, both in Australia and globally.
 

Digital generated image of different variants of COVID-19 cells against gray background. Omicron Civid variant concept. Source: Moment RF / Andriy Onufriyenko/Getty Images

SBS World News