Children can suffer emotional wounds in a disaster

Post-traumatic stress symptoms can go unnoticed, and kids' resilience varies

girl standing in wreckage of Hurricane Katrina

EMOTIONAL WOUNDS  Many children, like this young girl in Gulfport, Miss., lost a great deal during Hurricane Katrina. Some recovered more quickly than others.

Oscar Sosa/Bloomberg News/Getty Images

On April 19, 1995, an unemployed security guard with an antigovernment vendetta detonated more than two tons of nitrogen fertilizer mixed with fuel at the Alfred P.