These are annual cases of selected infectious
national notifiable diseases from the
National Notifiable Diseases Surveillance System (NNDSS).
NNDSS data reported by the 50 states, New York City, the District of Columbia,
and the U.S. territories are collated and published.
Cases are reported by state health departments to CDC weekly.
Annual data may differ from previously reported weekly and quarterly data
due to revision of information and delayed reporting.
Population estimates for incidence rates are July 1st, 2016 estimates
obtained from the National Center for Health Statistics (NCHS)
postcensal estimates of the resident population of the United States for July 1, 2011 - July 1, 2016,
by year, county, single year of age (range: 0 to 85 years), bridged-race
(white, black or African American, American Indian or Alaska Native, Asian, or Pacific Islander),
Hispanic ethnicity (not Hispanic or Latino, Hispanic or Latino), and sex
(Vintage 2016), prepared under a collaborative arrangement with the U.S. Census Bureau.
Population estimates for states as of June 26, 2017 are available at
Population estimates for territories are the 2016 mid-year estimates from the U.S. Census Bureau
International Data Base accessed on July 24, 2017 at
The choice of population denominators for incidence is based on the availability of population
data at the time of publication preparation.
NNDSS data displayed in the annual tables are accurate as of October 17, 2017; source data may be updated as additional information is received.
Annual tables for 2016 are available on CDC WONDER.
Annual summary reports from 1993-2015 are available as published in the
Annual summary reports from 1952-1992 are available as published in the MMWR in the