Children are a particularly high risk group because they don't have a full understanding about what's happening.

Mental health that's disaster-related is very different from traditional mental-health services.

It's going to be very hard for children to make sense of this. Young children simply don't comprehend that everything is gone.

It does not mean they will not have difficulty, it does not mean they will not need help, but the good news is that most children are not likely to develop PTSD.

It's going to be a day-by-day, step-by-step, slow process.