"WONDER online databases utilize a rich ad-hoc query system for the analysis of public health data. Reports and other query systems are also available."
Access to a wide variety of reports and public health data. Especially good for mortality statistics and health promotion.
"Users of this service have access to data sets, documentation, and questionnaires from NCHS surveys and data collection systems.
Public-use data files are prepared and disseminated to provide access to the full scope of the data. This allows researchers to manipulate the data in a format appropriate for their analyses."