www.cdc.gov represents the Centre For Diseases Control And Prevention which is an online resource for accurate information about various health problems. It is a site maintained by the National Centre for Health Marketing.This website is controlled and sponsored by the Ministry of Health and Human Services of the USA.The webpage shown above was updated on 11th of September, 2008. This webpage has the general information about the background of the Centre. But the homepage about the prevention of various types of human ailments is updated every day. The information provided in this site is very much up to date, complete and useful for everybody.This site is an official website of the Centre for Diseases Control and Prevention. It is not an advertisement or a commercial site promoting products. The information provided here are given to help the readers to understand the complexities that arise due to various health issues and the ways to prevent the conditions. It also provides information about the researches and studies that were carried out which is very useful to understand the ways in which a disease can be combated.This website is very useful for the nursing community to update their knowledge about the various ailments and the type of care that has to be given to the patients. This site will be extremely useful for nurses who want to undertake a study about a disease.