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Summary of Notifiable Diseases
United States 2001
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. Although useful
for detailed epidemiologic analyses, 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 the 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 suspected).
Final data for selected diseases (presented in Parts 1, 2, and 3) are 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]).
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 April 1, 2000, population estimates
from the Population Division, U.S. Bureau of the Census. Population numbers for
territories are 2000 estimates from the U.S. Bureau of the Census, International
Data Base Data Access Display Mode. More information regarding census estimates
is available at http://eire.census.gov/popest/data/states/tables/ST-EST2002-01.php and 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 consistency in the incidence rates reported by various CDC
programs, and 2) the availability of census population data at the time of preparation
for MMWR publications. 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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