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Updated 2 years ago
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NNDSS - Table I. infrequently reported notifiable diseases

NNDSS - Table I. infrequently reported notifiable diseases - 2018. In this Table, provisional cases of selected infrequently reported notifiable diseases (<1,000 cases reported during the preceding year) are displayed. This tables excludes U.S. territories.

Notice: The case counts for Haemophilus influenzae, invasive disease Nontypeable" and "Non-b serotype" were switched for 2018 weeks 1-52.


These are provisional cases of selected national notifiable diseases from the National Notifiable Diseases Surveillance System (NNDSS). NNDSS data from the 50 states, New York City, the District of Columbia are collated and published weekly on the NNDSS Data and Statistic web page ( Cases reported by state health departments to CDC for weekly publication are provisional because of the time needed to complete case follow-up. Therefore, numbers presented in later weeks may reflect changes made to these counts as additional information becomes available. The national surveillance case definitions used to define a case are available on the NNDSS web site at Information about the weekly provisional data and guides to interpreting data are available at:


—: 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.

§ 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

¶ 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

** Please refer to the CDC WONDER for weekly updates to the footnote for this condition.

†† Please refer to the CDC WONDER for weekly updates to the footnote for this condition.

§§ 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 2013 have been variant influenza viruses.

¶¶ Prior to 2018, cases of paratyphoid fever were included with salmonellosis cases (see Table II).

*** 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'. NNDSS was updated beginning in 2015 to receive data for each of the viral hemorrhagic fevers listed.


NameSocrata field nameColumn name in sgr mountData typeDescription
States reporting cases during current week (No.)states_reporting_cases_during_current_week_nostates_reporting_cases_during_current_week_noText
Total cases reported for pervious years 2013, flagtotal_cases_reported_for_pervious_years_2013_flagtotal_cases_reported_for_pervious_years_2013_flagText
Total cases reported for pervious years 2013total_cases_reported_for_pervious_years_2013total_cases_reported_for_pervious_years_2013Number
Total cases reported for pervious years 2015, flagtotal_cases_reported_for_pervious_years_2015_flagtotal_cases_reported_for_pervious_years_2015_flagText
Total cases reported for pervious years 2015total_cases_reported_for_pervious_years_2015total_cases_reported_for_pervious_years_2015Number
Total cases reported for pervious years 2016, flagtotal_cases_reported_for_pervious_years_2016_flagtotal_cases_reported_for_pervious_years_2016_flagText
Total cases reported for pervious years 2016total_cases_reported_for_pervious_years_2016total_cases_reported_for_pervious_years_2016Number
Total cases reported for pervious years 2017, flagtotal_cases_reported_for_pervious_years_2017_flagtotal_cases_reported_for_pervious_years_2017_flagText
Total cases reported for pervious years 2017total_cases_reported_for_pervious_years_2017total_cases_reported_for_pervious_years_2017Number
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 2018, flagcum_2018_flagcum_2018_flagText
Cum 2018cum_2018cum_2018Number
Current week, flagcurrent_week_flagcurrent_week_flagText
Current weekcurrent_weekcurrent_weekNumber
MMWR weekmmwr_weekmmwr_weekNumber
MMWR yearmmwr_yearmmwr_yearNumber
Total cases reported for pervious years 2014, flagtotal_cases_reported_for_pervious_years_2014_flagtotal_cases_reported_for_pervious_years_2014_flagText
Total cases reported for pervious years 2014total_cases_reported_for_pervious_years_2014total_cases_reported_for_pervious_years_2014Number
Upstream Metadata