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Summary of Notifiable Diseases
United States 2002
Data Sources
Provisional data concerning the reported occurrence of notifiable diseases
are published weekly in the 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 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. Data
published in CDC Surveillance Summaries or other surveillance reports produced
by CDC programs might not agree exactly with data reported in the annual
Summary because of differences in the timing of reports, the source of
the data, or surveillance methodology.
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. More information regarding
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.
Final data for some diseases are derived from the surveillance records
of the 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; streptococcal
disease, invasive, group A; streptococcal toxic-shock syndrome; laboratory
data regarding botulism, Escherichia coli, enterohemorrhagic O157:H7,
salmonellosis, and shigellosis).
Division of Vector-Borne Infectious Diseases (laboratory data regarding
arboviral encephalitis).
Division of Viral and Rickettsial Diseases (animal
rabies, hantavirus pulmonary syndrome).
National Center for HIV, STD, and TB Prevention (NCHSTP)
Division of HIV/AIDS Prevention - Surveillance and Epidemiology (acquired
immunodeficiency syndrome [AIDS], human immunodeficiency virus [HIV] infection).
Division of Sexually Transmitted Diseases Prevention (chancroid, chlamydia,
gonorrhea, 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.
Population estimates for the states are from the U.S. Census Bureau, Population
Division, Table ST-EST2002-01 - State Population Estimates: April 1, 2000,
available at http://
eire.census.gov/popest/data/states/tables/NST-EST2003-01.php.
Numbers for territories are estimates from the U.S. Bureau of the Census,
International Data Base, available at http://www.census.gov/ipc/www/idbprint.html.
The choice of population denominators for incidence rates reported in the
MMWR is based on 1) the availability of census population data at the time
of preparation for publication, and 2) the desire for consistent use of
the same population data to compute incidence rates reported by various
CDC programs. Rates in the Summary are presented as incidence rates per
100,000 population, 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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