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NNDSS - Table I. infrequently reported notifiable diseases

NNDSS - Table I. infrequently reported notifiable diseases - 2017. In this Table, provisional cases of selected infrequently reported notifiable diseases (<1,000 cases reported during the preceding year) are displayed.


These are provisional cases of selected 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 weekly as numbered tables printed in the back of the Morbidity and Mortality Weekly Report (MMWR). Cases reported by state health departments to CDC for weekly publication are provisional because of ongoing revision of information and delayed reporting.

Case counts in these tables are presented as they were published in the MMWR issues. Therefore, numbers listed in later MMWR weeks may reflect changes made to these counts as additional information becomes available.


—: No reported cases. N: Not reportable. NA: Not available. NN: Not Nationally Notifiable. NP: Nationally notifiable but not published. Cum: Cumulative year-to-date counts.

† This table does not include cases from the U.S. territories. Three low incidence conditions, rubella, rubella congenital, and tetanus, are in Table II to facilitate case count verification with reporting jurisdictions.

§ Calculated by summing the incidence counts for the current week, the 2 weeks preceding the current week, and the 2 weeks following the current week, for a total of 5 preceding years. Additional information is available at

¶ Updated weekly reports from the Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases (ArboNET Surveillance). Data for West Nile virus are available in Table II.

** Not reportable in all jurisdictions. Data from states where the condition is not reportable are excluded from this table, except for the arboviral diseases and influenza-associated pediatric mortality. Reporting exceptions are available at

†† Data for Haemophilus influenzae (all ages, all serotypes) are available in Table II.

§§ In 2016, the nationally notifiable condition ‘Hepatitis B Perinatal Infection’ was renamed to ‘Perinatal Hepatitis B Virus Infection’ and reflects updates in the 2016 CSTE position statement for Perinatal Hepatitis B Virus Infection.

¶¶ Please refer to the MMWR publication for weekly updates to the footnote for this condition.

*** Please refer to the MMWR publication for weekly updates to the footnote for this condition.

††† Data for meningococcal disease (all serogroups) are available in Table II.

§§§ Novel influenza A virus infections are human infections with influenza A viruses that are different from currently circulating human seasonal influenza viruses. With the exception of one avian lineage influenza A (H7N2) virus, all novel influenza A virus infections reported to CDC since 2011 have been variant influenza viruses. Total case counts are provided by the Influenza Division, National Center for Immunization and Respiratory Diseases (NCIRD).

¶¶¶ Updated weekly from reports to the Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention.

**** Prior to 2015, CDC's National Notifiable Diseases Surveillance System (NNDSS) did not receive electronic data about incident cases of specific viral hemorrhagic fevers; instead data were collected in aggregate as "viral hemorrhagic fevers". Beginning in 2015, NNDSS has been updated to receive data for each of


NameSocrata field nameColumn name in sgr mountData typeDescription
MMWR weekmmwr_weekmmwr_weekNumber
States reporting cases during current week (No.)states_reporting_cases_during_current_week_nostates_reporting_cases_during_current_week_noText
Total cases reported 2012, flagtotal_cases_reported_2012_flagtotal_cases_reported_2012_flagText
Total cases reported 2012total_cases_reported_2012total_cases_reported_2012Number
Total cases reported 2013, flagtotal_cases_reported_2013_flagtotal_cases_reported_2013_flagText
Total cases reported 2013total_cases_reported_2013total_cases_reported_2013Number
Total cases reported 2014total_cases_reported_2014total_cases_reported_2014Number
Total cases reported 2016, flagtotal_cases_reported_2016_flagtotal_cases_reported_2016_flagText
Total cases reported 2016total_cases_reported_2016total_cases_reported_2016Number
5-year weekly average§, flag_5_year_weekly_average_flag_5_year_weekly_average_flagText
5-year weekly average§_5_year_weekly_average_5_year_weekly_averageNumber
Cum 2017, flagcum_2017_flagcum_2017_flagText
Cum 2017cum_2017cum_2017Number
Current week, flagcurrent_week_flagcurrent_week_flagText
Current weekcurrent_weekcurrent_weekNumber
Total cases reported 2014, flagtotal_cases_reported_2014_flagtotal_cases_reported_2014_flagText
Total cases reported 2015, flagtotal_cases_reported_2015_flagtotal_cases_reported_2015_flagText
Total cases reported 2015total_cases_reported_2015total_cases_reported_2015Number
MMWR yearmmwr_yearmmwr_yearNumber
Upstream Metadata