Quarantine is when someone needs to stay at home, away from the outside world, for a few days because germs (like viruses or bacteria) might be inside their body.
During this time, people wait to see if they get sick.

This is important because tiny villains like to spread and cause trouble. By staying home, people stop the villains from jumping to others and making a big mess.

When the time is up and doctors say it’s safe, the person can go back to the world outside!