Evaluating mental health after the 2010 Haitian earthquake.

Mental health is an important aspect of public health after a disaster. This article describes what is known and what remains to be learned regarding the mental health impact of the January 12, 2010, earthquake in Haiti. Public health surveillance efforts in Haiti and the United States in the first 2 months after the earthquake are described. Challenges in clinical assessment and public health surveillance are explored. Potential implications for survivors and public health officials are considered.