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Data Summary Descriptions

The CDC WONDER online databases, as well other public health data collections hosted on CDC WONDER, are listed by name below, in two sections, CDC WONDER online databases and other public health data collections hosted on CDC WONDER. Each data collection named below has a link and a brief summary description. For an alphabetical listing of both groups and more public health data collections on other systems, please see the A-Z Index. For a listing of data sources by topic area, including tools, please see Topics.


CDC WONDER Online Databases

AIDS Public Information Data on WONDER (Archive)

AIDS public use data are counts of AIDS (Acquired Immune Deficiency Syndrome) cases reported by state and local health departments. The data are updated annually. The archive AIDS Public Information online databases allow you to request data for cases reported January, 1981 - December, 2002, for specific locations (metropolitan or regional rural areas), HIV exposure group (selected risk factors for AIDS), case definition, sexual orientation and gender, age at diagnosis, race and ethnicity, current vital status, and the dates (month/year) of diagnosis and initial case report. Selected exposure categories for AIDS include: male homosexual/bisexual contact (adult), intravenous (IV) drug use (adult female or heterosexual male), male homo/bisexual and IV drug use (adult), heterosexual contact with HIV+/HIV risk partner (adult), sole identified mode of exposure or multiple modes of exposure (adult) Hemophilia/coagulation disorder (adult or pediatric), receipt of blood, blood components or tissue (adult or pediatric), risk not reported or identified (adult or pediatric), country of birth or foreign origin (adult or pediatric), mother tests HIV+ or has HIV risk factors (pediatric). Charts and maps are also available.

Source: AIDS Public Information Dataset is published by the US Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), Division of HIV/AIDS.


Births (Natality) on WONDER

The Natality data are available from a county-level national data collection derived from the U.S. records of birth (birth certificates). Counts of births occurring within the United States to U.S. residents and non-residents can be obtained by state, county of mother's residence, child's gender and weight, gestation period, maternal race, maternal age, maternal education, selected medical risk factors, tobacco use, prenatal care, and birth plurality. Birth rates and fertility rates are calculated. Maps and charts are also available. The data are updated annually.

Source: the Natality data set is provided by the U.S. Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS).


Cancer: United States Cancer Statistics on WONDER

Cancer incidence data are collected from cancer registries, based on oncology reports from health care providers. Cancer mortality data are derived from death certificates. Cancer incidence and death counts, rates, mortality incidence rate ratios and 95% confidence intervals, and 5-year relative survival rates are available by state, metropolitan area, cancer classification, age, race, and gender. Charts and maps are also available. The incidence and mortality data are updated annually.

Source: cancer incidence data are collected in collaboration with:

  • United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Chronic Disease Prevention and Health Promotion (NCCDPHP), National Program of Cancer Registries (NPCR)
  • North American Association of Central Cancer Registries (NAACCR)
  • United States Department of Health and Human Services (US DHHS), National Institutes of Health (NIH), National Cancer Institute (NCI)


Deaths (Mortality) on WONDER

Mortality data derived from US death certificates, compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative, are available in the following online databases:

  • Compressed Mortality for years 1968-2016 - Underlying Cause of Death on WONDER

    The Compressed Mortality File (CMF) is a county-level national mortality and population data collection spanning decades, derived from the U.S. records of deaths (death certificates) for years 1968-2016. Counts and rates of death can be obtained by place of residence (U.S., region, division, state and county), age (17 age groups), race (3 groups for 1968-1998 data, 4 groups for 1999 and later), Hispanic origin (for 1999 and later), gender, year, urbanization (for 1999 data and later years) and underlying cause-of-death (4-digit ICD code or group of codes, injury classifications). Death rates are calculated per 100,000 persons. However, death rates for infants (age less than 1 year) are calculated as the number of deaths per 1,000 live births. Crude death rates and age-adjusted death rates can be calculated, as well as 95% confidence intervals and standard errors for death rates. Maps and charts are also available.

    Source: the Compressed Mortality File (CMF) data set is published by the U.S. Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS), Office of Analysis and Epidemiology (OAE).

  • Detailed Mortality - Underlying Cause of Death on WONDER

    The Detailed Mortality - Underlying Cause of Death database contains mortality and population counts for all U.S. counties. Data are based on death certificates for U.S. residents. Each death certificate identifies a single underlying cause of death and demographic data. The number of deaths, crude death rates or age-adjusted death rates, and 95% confidence intervals and standard errors for death rates can be obtained by place of residence (total U.S., region, state and county), age group (single-year-of age, 5-year age groups, 10-year age groups and infant age groups), race (4 groups), Hispanic ethnicity, gender, year, cause-of-death (4-digit ICD-10 code or group of codes), injury intent and injury mechanism, drug/alcohol induced causes and urbanization categories. Data are also available for place of death, month and week day of death, and whether an autopsy was performed. Maps and charts are also available. The data are updated annually.

    Source: the Detailed Mortality data are compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative; the data set is produced by the U.S. Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS), Division of Vital Statistics (DVS), Mortality Statistics Branch.

  • Fetal Deaths

    This data collection provides the number of fetal deaths at 20 weeks gestation or more, occurring within the United States to U.S. residents. Information are derived from Report of Fetal Death forms, both the 1989 revision of the U.S. Standard Report of Fetal Death (unrevised) and the 2003 revision of the U.S. Standard Report of Fetal Death (revised). Data are available by place: region, division, and state of mother's residence; time: year, month and weekday of death; parental characteristics including maternal race and ethnicity, maternal age, maternal marital status, maternal weight gain, and paternal age; fetal characteristics including gestational age, sex, delivery weight, plurality, live and total birth order, delivery place, delivery method, use of forceps or vacuum, breech presentation, medical attendant; maternal risk factors including diabetes, chronic hypertension, pregnancy-associated hypertension and eclampsia; congenital anomalies of the fetus, including anencephalus, Spina Bifida / meningocele, omphalocele / gastroschisis, cleft lip / palate, and Downs syndrome. Maps and charts are also available. The data are updated annually.

    Source: Fetal Death Records data are compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative; the data are produced by the U.S. Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center For Health Statistics (NCHS).

  • Infant Deaths: Linked Birth / Infant Death Records

    This dataset has counts of Infant deaths, live births and infant death rates for children under 1 year of age, occurring within the United States to U.S. residents. Counts and death rates per 1,000 live births can be obtained by state and county of residence, child's age at death, birth weight, cause of death, maternal race, maternal age, maternal education, gestation period, prenatal care, live birth order, marital status, and more. Maps and charts are also available. The data are updated annually.

    Source: the Linked Birth/Infant Death Records data are compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative; the data are produced by the U.S. Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center For Health Statistics (NCHS).

  • Multiple Cause of Death on WONDER

    The Multiple Cause of Death data set contains mortality and population counts for all U.S. counties. Data are based on death certificates for U.S. residents. Each death certificate contains a single underlying cause of death, up to twenty additional multiple causes, and demographic data. The number of deaths, crude death rates, age-adjusted death rates and 95% confidence intervals for death rates can be obtained by cause of death (4 digit ICD-10 codes, 113 selected causes of death, 130 selected causes of infant death, drug and alcohol related causes of death, injury intent and injury mechanism categories), place of residence (national, region, division, state, and county), age (single-year-of age, 5-year age groups, 10-year age groups and infant age groups), race (American Indian or Alaskan Native, Asian/Pacific Islander, Black or African American, White), Hispanic ethnicity, gender and year. Data are also available by urbanization categories for county of residence, place of death, month and week day of death, and whether an autopsy was performed. Maps and charts are also available. The data are updated annually.

    Source: the Multiple Cause of Death data are compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative; the data set is produced by the U.S. Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS), Division of Vital Statistics (DVS), Mortality Statistics Branch.

  • US-Mexico Border Area Mortality on WONDER

    The Underlying Cause of Death with US-Mexico Border Regions database contains mortality and population counts for all U.S. counties. Data are based on death certificates for U.S. residents. Each death certificate identifies a single underlying cause of death and demographic data. The number of deaths, crude death rates or age-adjusted death rates, and 95% confidence intervals and standard errors for death rates can be obtained by place of residence (total U.S., region, state and county, and urbanization categories), age group (single-year-of age, 5-year age groups, 10-year age groups and infant age groups), race, Hispanic ethnicity, gender, year, underlying (principle) cause-of-death (4-digit ICD-10 code or group of codes), injury intent and injury mechanism, and drug/alcohol induced causes. Data are also available for place of death, month and week day of death, and whether an autopsy was performed. In addition, to complement the US regions, two supplementary regions within the United States are available: 1) US-Mexico Border Region (i.e., counties within 100 kilometers (62 miles) of the US-Mexico border), and 2) the US Non-Border Region with the remaining counties. The four "Border State Areas" for Arizona, California, New Mexico and Texas are comprised of the counties for each state which fall within 100 kilometers of the border. Statistics are also available by each border county along the US-Mexico border. Maps and charts are also available. The data are updated annually.

    Source: the Underlying Cause of Death with US-Mexico Border Regions data are compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative; the data set is produced by the U.S. Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS), Division of Vital Statistics (DVS), Mortality Statistics Branch. Border Regions are defined by the International Statistics Program (ISP) in CDC/NCHS.


Environmental Data on WONDER

These data are produced by the NASA Applied Sciences Program / Public Health Program and partners. The following environmental data collections are available:

  • Daily Air Temperatures and Heat Index from NLDAS for years 1979-2011 on WONDER

    The Daily Air Temperatures and Heat Index data from the North America Land Data Assimilation System (NLDAS) available on CDC WONDER are county-level daily average air temperatures and heat index measures spanning the years 1979-2011. Temperature data are available in Fahrenheit or Celsius scales. Reported measures are the average temperature, number of observations and range for the daily maximum and minimum air temperatures, as well as percent coverage for the daily maximum heat index. Data are available by place (combined 48 contiguous states, region, division, state, county), time (year, month, day) and specified maximum and minimum air temperature, and heat index value. Maps and charts are also available.

  • Fine Particulate Matter (PM2.5) Outdoor Air Quality for years 2003-2011 on WONDER

    The Outdoor Air Quality - Fine Particulate Matter data available on CDC WONDER are geographically aggregated daily measures of fine particulate matter in the outdoor air, spanning the years 2003-2011. PM2.5 particles are air pollutants with an aerodynamic diameter less than 2.5 micrometers. Reported measures are the daily measure of fine particulate matter in micrograms per cubic meter (PM2.5) (µg/m³), the number of observations, minimum and maximum range value, and standard deviation. Data are available by place (combined 48 contiguous states plus the District of Columbia, region, division, state, county), time (year, month, day) and specified fine particulate matter (µg/m³) value. County-level and higher data are aggregated from 10 kilometer square spatial resolution grids. Maps and charts are also available.

  • Land Surface Temperature from MODIS for years 2003-2008 on WONDER

    The Land Surface Temperature (LST) measures derived from the Moderate Resolution Imaging Spectroradiometer (MODIS) data available on CDC WONDER are daytime and nighttime geographically aggregated land surface temperatures spanning the years 2003-2008. Temperature data are available in Fahrenheit or Celsius. Reported measures are the daily temperature, the number of observations, the range and the percent coverage for the both the day and night land surface temperatures. Data are available by place (combined 48 contiguous states plus the District of Columbia, region, division, state, county), time (year, month, day) and specified average land surface temperature value for day (1:30 pm local time) and night (1:30 am local time). County-level and higher data are aggregated from 1 kilometer square spatial resolution grids. Maps and charts are also available.

  • Daily Sunlight from NLDAS for years 1979-2011 on WONDER

    The Daily Sunlight data from the North America Land Data Assimilation System (NLDAS) available on CDC WONDER are county-level daily sunlight (insolation or solar radiation) observations spanning the years 1979-2011. Reported measures are the average daily insolation, reported in kilojoules per square meter (KJ/m²), the number of observations, and the range for the daily insolation values. Data are available by place (combined 48 contiguous states plus the District of Columbia, region, division, state, county), time (year, month, day) and specified daily sunlight value. Maps and charts are also available.

  • Daily Precipitation from NLDAS for years 1979-2011 on WONDER

    The Daily Precipitation data from the North America Land Data Assimilation System (NLDAS) available on CDC WONDER are county-level daily precipitation observations spanning the years 1979-2011. Reported measures are the average daily precipitation, reported in millimeters (mm), the number of observations, and the range for the daily precipitation values. Data are available by place (combined 48 contiguous states plus the District of Columbia, region, division, state, county), time (year, month, day) and specified daily precipitation value. Maps and charts are also available.

  • Number of Heat Wave Days in May-September for years 1981-2010 on WONDER

    The Extreme Heat Events data available on CDC WONDER are county-level measures of the number of heat wave days in the months of May through September spanning the years 1981-2010. Reported measures are the sum, average and standard deviation of the number of heat wave days occurring in the selected time and place. Three definitions are available for heat events: 95th percentile of daily maximum air temperature, 95th percentile of daily maximum Heat Index, and 95th percentile of Net Daily Heat Stress. Data are available by county (all counties in the combined 48 contiguous states plus the District of Columbia), and year. Maps and charts are also available.

Source: environmental data are provided by the NASA Applied Sciences Program / Public Health Program and partners.


Population Estimates on WONDER

Population estimates are provided for use as denominator data in rate calculations. The following population data collections are available:

  • United States Bridged-Race Estimates since 1990 on WONDER

    July 1st resident estimates for 1990 and later years by: Year, State, County, Bridged-Race (4 categories), Ethnicity, Sex and Age Groups (1-year or 5-year). Maps and charts are also available. The data are updated annually.

  • United States Population Projections on WONDER

    • State level population projections for the years 2004 - 2030 by year, state, age, sex, race, and Hispanic origin, released by the US Census Bureau in 2005. Maps and charts are also available.
    • National level population projections for the years 2014 - 2060 by year, age, sex, race, and Hispanic origin; released by the US Census Bureau in 2014. Maps and charts are also available.
    • National migration, birth and death projections for the years 2014 - 2060 are available by year, age, sex and race; released by the US Census Bureau in 2014. Maps and charts are also available.
    • National migration, birth and death projections for the years 2014 - 2060 by year, age, sex and Hispanic ethnicity; released by the US Census Bureau in 2014. Maps and charts are also available.

  • United States Single-Race Estimates since 2010 on WONDER

    July 1st resident estimates for 2010 and later years by: Year, State, County, Single-Race (6 categories), Ethnicity, Sex and Age Groups (5-year). Maps and charts are also available. The data are updated annually.

Source: population data are provided by the United States Department of Commerce, Bureau of the Census. The Bridged-Race estimates are produced by the U.S. Census Bureau in collaboration with the National Center for Health Statistics (NCHS).


Sexually Transmitted Disease Morbidity on WONDER

The Sexually Transmitted Disease Morbidity online database contains sexually transmitted disease morbidity data for the 50 United States, D.C., Puerto Rico, Virgin Islands, American Samoa, and Guam by year, gender of patients, type of STD, area of report, age group, disease and state. Incidence counts and rates are available. Charts and maps are also available.

Source: the Sexually Transmitted Disease Morbidity data are provided by the United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for HIV, STD and TB Prevention, Division of Sexually Transmitted Diseases.


Tuberculosis: Online Tuberculosis Information System (OTIS) on WONDER

The Online Tuberculosis Information System (OTIS) contains information on verified tuberculosis (TB) cases reported to the Centers for Disease Control and Prevention (CDC) by state health departments, the District of Columbia and Puerto Rico from 1993 through 2003. These data were extracted from the CDC national TB surveillance system. Data for 22 variables are included in the data set and users are able to obtain incidence counts and rates, and show the percentage of cases that have completed therapy in less than 1 year of diagnosis. Users can produce cross-tabulations with multi-level stratification, charts and maps. Data are available at the national, state, and large metropolitan statistical area level. Charts and maps are also available. The data are updated on an annual basis.

Source: The Online Tuberculosis Information System (OTIS) and the Tuberculosis Surveillance Reports are published by the United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for HIV, STD and TB Prevention, Division of TB Elimination.


Vaccine Adverse Event Reporting System (VAERS) on WONDER

The Vaccine Adverse Event Reporting System is a cooperative program for vaccine safety of the Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA). VAERS is a post-marketing safety surveillance program, collecting information about adverse events (possible side effects) that occur after the administration of US licensed vaccines. Results show the number of event reports and percentages. Charts and maps are also available. The data are updated on a monthly basis.

Source: VAERS is provided in collaboration with the United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA).


Other Data Collections Hosted on CDC WONDER

DATA2010 ...the Healthy People 2010 Database

DATA2010 is an information system developed by staff of the division of Health Promotion Statistics of the National Center for Health Statistics, CDC, and contains the most recent monitoring data for tracking Healthy People 2010. With this system, world-wide users have the ability to view the data collected to track Healthy People 2010 objectives, with national baseline and monitoring data for each Healthy People 2010 objective. Users can select data options to create and browse real-time tables and graphs of the baseline and tracking year data for all 28 health focus areas, as well as the leading health indicators. This interactive system allows users to query an updated database and construct tables. Tables can be constructed for specific objectives, or objectives identified by focus areas, data source, or by select population.

Source: the Healthy People 2010 Database (DATA2010) is provided by the United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS), Division of Health Promotion Statistics.


Influenza Mortality - 122 Cities Mortality Reporting System (CMRS) Archive for years 1996-2016

As part of its national influenza surveillance effort, CDC received weekly mortality reports from 122 cities and metropolitan areas in the United States within 2-3 weeks from the date of death. These reports summarized the total number of deaths occurring in these cities/areas each week, as well as the number attributed to pneumonia and influenza. Data were published weekly in the Morbidity and Mortality Weekly Report (MMWR) through week 39 in year 2016.

Source: CDC 122 Cities Mortality Reporting System weekly provisional data as published in the Morbidity and Mortality Weekly Report, and reported to the National Center for Immunization and Respiratory Diseases (NCIRD) at CDC.


National Notifiable Diseases (NNDSS) Weekly and Annual Tables

Weekly and annual cases of selected infectious nationally notifiable diseases and conditions reported by the 50 states, New York City, the District of Columbia, and the U.S. territories. Cases reported by state health departments to CDC for weekly publication are provisional because of ongoing revision of information and delayed reporting. Therefore, the number of cases in the weekly tables may reflect changes made as additional information becomes available. Weekly data are updated on a weekly basis. Annual data are updated yearly.

Source: National Notifiable Diseases Surveillance System at CDC.


Prevention Guidelines Archive

The Prevention Guidelines Archive is a collection of published CDC recommendations designed to help meet the information needs of public health officials by providing ready access to guidelines and recommendations issued by the CDC. The database was developed as part of CDC's Information Network for Public Health Officials (INPHO) initiative, through a joint effort of the Public Health Practice Program Office (PHPPO), the Public Health Information Systems Branch of the Information Resources Management Office (IRMO), and the Epidemiology Program Office (EPO), in collaboration with all Centers, Institutes, and offices at CDC.

Source: the archive Prevention Guidelines System was collated by the United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), former Public Health Practice Program Office (PHPPO).


Scientific Data and Documentation Archive

CDC WONDER hosts CDC's archive collection of many public-use scientific data sets and documentation. You can search the documentation for dataset, data collection methodology, and code book information.

Source: This archive collection is provided by the United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC). The collection was established by the former Information Resources Management Office.


Influenza Bioinformatics Resources

CDC WONDER hosts advanced molecular detection resources and tools for the Influenza Bioinformatics Team.

Source: Software and tools provided by the United States Department of Health and Human Services (US DHHS), Centers for Disease Control and Prevention (CDC), National Center for Immunization and Respiratory Diseases (NCIRD), Influenza Division.




This page last reviewed: Thursday, August 08, 2019
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