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Summary of Notifiable Diseases
United States 1996
Data Sources
Provisional data concerning the reported occurrence of
notifiable diseases are published weekly in MMWR. After each
reporting year, staff in state health departments finalize reports
of cases for that year with local or county health departments and
reconcile the data with reports previously sent to CDC throughout the
year; these data are compiled in final form in this summary. Notifiable
disease reports (which are published in the annual MMWR Summary
of Notifiable Diseases only after approval by the appropriate
epidemiologist from each submitting state or territory) are the authoritative
and archival counts of cases. Data published in MMWR Surveillance
Summaries or other surveillance reports produced by CDC programs,
which are useful for detailed epidemiologic analyses, may not agree
exactly with data reported in the annual Summary of Notifiable
Diseases because of differences in the timing of reports, the
source of the data, and the use of different case definitions.
Data in this summary were derived primarily from reports
transmitted to the Division of Public Health Surveillance and Informatics,
Epidemiology Program Office, CDC, by the 50 state, two city, and five
territorial health departments through the National Electronic Telecommunications
System for Surveillance (NETSS). (For more information regarding NETSS
and notifiable diseases, including case definitions for these conditions,
see World-Wide Web site http://www.cdc.gov/epo/phs.htm). Final data
for other diseases are from the surveillance-program records of the
following CDC programs (requests for further information regarding
these data should be directed to the source specified):
National Center for Health Statistics (NCHS) Office
of Vital and Health Statistics Systems (deaths from selected notifiable
diseases)
National Center for Infectious Diseases (NCID) Division
of Bacterial and Mycotic Diseases (toxic-shock syndrome and laboratory
data regarding botulism, Escherichia coli O157:H7, Salmonella,
and Shigella)
Division of Vector-Borne Infectious Diseases (laboratory data regarding arboviral
encephalitis)
Division of Viral and Rickettsial Diseases (animal rabies)
National Center for HIV, STD, and TB Prevention (NCHSTP) Division
of HIV/AIDS Prevention, Surveillance and Epidemiology (acquired immunodeficiency
syndrome (AIDS))
Division of Sexually Transmitted Diseases Prevention (chancroid, chlamydia,
gonorrhea, and syphilis)
Division of Tuberculosis Elimination (tuberculosis)
National Immunization Program (NIP) Epidemiology and Surveillance
Division (poliomyelitis)
Disease totals for the United States, unless otherwise
stated, do not include data for American Samoa, Guam, Puerto Rico,
the Virgin Islands, and the Commonwealth of the Northern Mariana Islands
(CNMI). Disease totals from American Samoa were unavailable for 1996.
Population estimates for states are based on the July
1, 1996, post-censal estimates made by the U.S. Department of Commerce,
Bureau of the Census, Population Division, Population Estimates Branch,
PPL-57. Because these estimates are unavailable by age and sex for
1996, rates for reported disease occurrences by age group and among
males and females use population totals from the 1995 post-censal estimates.
Population estimates for territories are from the 1990 census, U.S.
Department of Commerce, Bureau of the Census, Press Releases CB91-142,
242, 243, 263, and 276.
Rates in the 1996 Summary of Notifiable Diseases were
based on data for the U.S. total-resident population. However, population
data from states in which diseases were not notifiable or disease data
were not available were excluded from rate calculations.
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