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Summary of Notifiable Diseases
United States 1997
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 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). (More information regarding NETSS
and notifiable diseases, including case definitions for these conditions,
is available on the Internet at http://www.cdc.gov/ncphi/disss/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, or the Commonwealth of the Northern Mariana Islands
(CNMI). Disease totals from American Samoa were unavailable for 1997.
Population estimates for states are based on the July
1, 1997, post-censal estimates made by the U.S. Department of Commerce,
Economics and Statistics Administration, Bureau of the Census, Population
Division, Population Branch, Press Release PLL91. Population estimates
for territories are 1997 estimates from the Bureau of the Census, Press
Releases CB98-54 and CB98-80.
Rates in this summary 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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