The CDC is recognized as the lead federal agency for protecting the health and safety of people - at home and abroad, providing credible information to enhance health decisions, and promoting health through strong partnerships. This site is a wealth of information about infectious diseases.
CDC's resources include:
Disease-specific data and statistics
News
Emerging Infectious Diseases Journal
Morbidity and Mortality Weekly Report , "a CDC weekly scientific publication containing data and reports on specific health and safety topics.
Information on hoaxes & rumors
Preventing Chronic Disease Journal
Prevention guidelines
Public Health Image Library
Public Health Law News
Travel health concerns,etc.