Chronic critical illness is when someone is very sick for a very long time. Imagine you have a cold that just doesn't go away, and you keep having to go to the doctor and take medicine, but it still doesn't go away. That's kind of what chronic critical illness is like, but much more serious.
When someone is chronically critically ill, they might have trouble breathing or moving around on their own. They might need help from machines or other people to do things that most of us can do without help. They might also need a lot of help with things like washing, eating, and going to the bathroom.
People can become chronically critically ill for lots of different reasons, like being in a bad accident, having a really bad infection, or having a serious disease like cancer. Sometimes it happens slowly over time, and sometimes it happens all at once.
Unfortunately, chronic critical illness can be very hard for the person who is sick and for their family and friends who love and care for them. It can be scary and really difficult to deal with. But it's important to remember that there are lots of people who know how to help and can make things better, even if they can't cure the illness completely.