Medicine and Health National Institutes of Health Because it is a collection of agencies (Institutes) the vast information here is not yet well centralized (as far as I can tell). Statistics on HIV prevalence can be obtained from the Surveillance Reports. Cigarette Data Measurements of weight and tar, nicotine, and carbon monoxide content are given for 25 brands of domestic cigarettes. Rhode Island Kids Count This site contains a slew of data which profiles the health, economic, educational and social well-being of children in the state of Rhode Island. This sections directs you to the health related data sets. Their most current data is for 1995. Disease Data A large site provided by the American Statistical Society which provides many data sets addressing the questions of importance to public health control and prevention efforts. The USDA provides a large amount of information in searchable data bases covering a wide array of topics, such as: Biochemistry and Biophysics Research ,Molecular Biology Research , Microbiology Research , Parasitology Research , Immunology Research, Virology Research, and Pharmacology Research [dead links were removed 1-2000].