Wait ... how many people have long COVID?

Long COVID has nearly been around as long as COVID itself. 

It wasn't long after the pandemic began before we started hearing about long haulers - people who were suffering from the virus long after testing negative.

But even today, we still don't know the precise definitions of what exactly long COVID is and how many people suffer from it.

But we are getting closer to a clearer picture. So why is it important to know?