North Carolina - Cabarrus
Measurement Period: 2011
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Number of reported cases of shigellosis
Number of shigellosis cases reported to public health departments
Caveats and Limitations
NNDSS case counts are likely incomplete, and therefore, these data are considered to represent a minimum number of cases. Surveillance practices, policies, priorities, and resources vary from state to state. Therefore, one should use caution when making state to state comparisons of disease incidence. NNDSS data pertaining to race and ethnicity may be incomplete and may have been collected differently across the various notifiable diseases and across time. Data on non-notifiable diseases/conditions may represent incidence data that are not population-based. A substantial amount of time may elapse between the time a disease is made notifiable and the time surveillance data are available for that disease. There may be differences between the case counts in state specific surveillance databases and the case counts in the finalized NNDSS surveillance database. When calculating the incidence rate of a nationally notifiable disease, the denominator may need to be adjusted to exclude the population from states where the disease was not notifiable or data were unavailable.
2011 - Dimensions
Comparison of 99 Counties
- DSU - Data statistically unreliable.
- Centers for Disease Control and Prevention (CDC). Case definitions for infectious conditions under public health surveillance can be found at: http://www.cdc.gov/osels/ph_surveillance/nndss/casedef/case_definitions.htm
National Notifiable Diseases Surveillance System (NNDSS)
The National Notifiable Diseases Surveillance System (NNDSS) provides weekly provisional information on the occurrence of diseases defined as notifiable by the Council of State and Territorial Epidemiologists.
MethodologyNotifiable disease surveillance is conducted by public health practitioners at local, state, and national levels to support disease prevention and control activities. The Council of State and Territorial Epidemiologists and CDC annually review the status of national infectious disease surveillance and recommend additions or deletions to the list of nationally notifiable diseases based on the need to respond to emerging priorities. Because reporting is currently mandated by law or regulation only at the local and state levels, the list of diseases that are considered notifiable varies slightly by state. State epidemiologists report cases of notifiable diseases to CDC, which tabulates and publishes these data in Morbidity and Mortality Weekly Report (MMWR) and in Summary of Notifiable Diseases, United States.
Model Practices (
Associated Model Practices have not been identified for this measure.