Summary of Notifiable Diseases

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United States 2000

Data Sources

Provisional data concerning reported occurrence of notifiable diseases are published weekly in MMWR. After each reporting year, staff members 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 the Summary.

Notifiable disease reports are the authoritative and archival counts of cases. They must be approved by the appropriate epidemiologist from each submitting state or territory before being published in the Summary. Although useful for detailed epidemiologic analyses, data published in CDC Surveillance Summaries or other surveillance reports produced by CDC programs might not agree with data reported in the Summary because of differences in the timing of reports, source of data, and case definitions.

Data in the Summary were derived primarily from reports transmitted to the Division of Public Health Surveillance and Informatics, Epidemiology Program Office, CDC, from health departments in the 50 states, five territories, New York City, and the District of Columbia 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>. Policies for reporting notifiable disease cases can vary by disease or reporting jurisdiction, depending on case status classification (i.e., confirmed, probable, or suspect).

Final data for selected diseases (presented in Parts 1, 2, and 3 of the Summary) are from the surveillance records of CDC programs listed below. Requests for further information regarding these data should be directed to the appropriate program.

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 for botulism, Escherichia coli O157:H7, salmonellosis, and shigellosis).

Division of Viral and Rickettsial Diseases (animal rabies and hantavirus pulmonary syndrome).

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 U.S. Virgin Islands, or the Commonwealth of the Northern Mariana Islands (CNMI).

Population estimates for the states are from the Bureau of the Census (1991-1999, machine readable files). Population numbers for territories are 1998 estimates from the Bureau of the Census press releases PR-99-1^† and CB98-219.^§ More information regarding census estimates is available at <http://www.census.gov/>.

Rates in the Summary are presented as incidence rates per 100,000 population based on data for the U.S. total-resident population. Population data from states in which diseases were not notifiable or disease data were not available were excluded from rate calculations. The denominator used for infant botulism rate calculation is restricted to persons aged <1 year.

^† Available at <http://www.census.gov/population/estimates/puerto-rico/prmunnet.txt>.

^§ Available at <http://www.census.gov/Press-Release/www/1999/cb99-254.html>.

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