The CDC's disease prevention efforts include educating the public on how to recognize and avoid contracting common infectious diseases, such as the flu and strep throat.
DISASTERS Hurricane Katrina approaches landfall on the Gulf coast. Very little on land or water was spared by the storm when it struck in 2005. (Image from NOAA) Hurricane Katrina caused devastating personal, social, economic, and cultural losses. This image shows homes destroyed by the storm in Plaquemines Parish, Louisiana. (Image from
The damage to the US Gulf coast caused by Hurricane Katrina was the most costly in US history. Hurricanes cause many changes to the natural environment along a coast too. Sand is eroded from some coastal areas and deposited in others. The waves and storm surge are able to carry large rocks and even boulders.