Why do some people experience 'long COVID' symptoms for months?

Some people feel tired or out of breath for months after having COVID, almost like their body is still cleaning up a mess.

Imagine you're playing with your favorite toy, maybe it's a big puzzle or a ball that rolls all over the floor. You have a lot of fun, but when you're done, there are pieces scattered everywhere and you're out of breath from running around. That’s like having COVID, it’s a big, exciting game for your body.

Now imagine that after the game is over, some tiny helpers inside your body still need to pick up all the pieces. These helpers are like little workers who clean up so you can feel better again. But sometimes, these workers take longer than usual, or they get tired from working too hard, that’s why some people feel long COVID symptoms for months.

Sometimes, your body needs more time to finish cleaning up the mess from COVID, just like how you might need a few minutes to catch your breath after playing a long game. Other times, your body might be working extra hard, like when you run around the house and then have to clean up, that’s why some people feel tired or out of breath for weeks or even months.