http://www.bt.cdc.gov/disasters/mold/reenter.asp
This document also available in Spanish
Centers for Disease Control and Prevention, U.S. Department of Health and Human Services
When returning to a home that’s been flooded after natural disasters such as hurricanes, tornadoes, and floods, be aware that your house may be contaminated with mold or sewage, which can cause health risks for your family. This fact sheet presents steps to remember when you first reenter your home and steps to follow when you dry out your house.