Summary of Notifiable Diseases
United States 1998
Preface
The MMWR Summary of Notifiable Diseases, United States,
1998 contains summary tables of the official statistics for
the reported occurrence of nationally notifiable diseases in the
United States for 1998. These statistics are collected and compiled
from reports to the National Notifiable Diseases Surveillance System
(NNDSS), which is operated by CDC in collaboration with the Council
of State and Territorial Epidemiologists (CSTE).
Because the dates of onset or diagnosis for notifiable
diseases are not always reported, these surveillance data are presented
by the week they were reported to CDC by public health officials in
state and territorial health departments. These data are finalized
and published each year in the MMWR Summary of Notifiable Diseases,
United States for use by state and local health departments; schools
of medicine and public health; communications media; local, state,
and federal agencies; and other agencies or persons interested in following
the trends of reportable diseases in the United States. This publication
also documents which diseases are considered national priorities for
notification and the annual number of cases of such diseases.
The Highlights section presents information on selected
nationally notifiable and non-notifiable diseases to provide a context
in which to interpret surveillance and disease-trend data and to provide
further information on the epidemiology and prevention of selected
diseases.
Part 1 contains tables that present morbidity for each
of the diseases considered nationally notifiable during 1998.* The
tables provide the number of cases of notifiable diseases reported
to CDC for 1998, as well as the distribution of cases by month and
geographic location and by patient’s age, sex, race, and Hispanic
ethnicity. The data are final totals as of August 13, 1999, unless
otherwise noted. Nationally notifiable diseases that are reportable
in fewer than 40 states also do not appear in these tables. In all
tables, leprosy is listed as Hansen disease, and tickborne typhus fever
is listed as Rocky Mountain spotted fever (RMSF).
Part 2 contains graphs and maps. These graphs and maps
depict summary data for many of the notifiable diseases described in
tabular form in Part 1.
Part 3 contains tables that list the number of cases
of notifiable diseases reported to CDC since 1967. This section also
includes a table enumerating deaths associated with specified notifiable
diseases reported to the National Center for Health Statistics (NCHS),
CDC, during 1988–1997.
The Bibliography section presents general and disease-specific
references pertaining to the notifiable infectious diseases. These
references provide additional information on surveillance and epidemiologic
issues, diagnostic issues, or disease control activities.
* Because no cases of anthrax, western equine encephalitis,
or yellow fever were reported in the United States during 1998, these
diseases do not appear in the tables in Part 1.
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