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

Covid-19 Omicron sign

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

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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.



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