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IID-1.4 Data Details

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IID-1.4 Reduce measles cases (U.S.-acquired cases)

About the Data: National

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

Data Source: 
National Notifiable Diseases Surveillance System (NNDSS); Centers for Disease Control and Prevention, Center for Surveillance, Epidemiology, and Laboratory Services (CDC/CSELS)
Changed Since the Healthy People 2020 Launch: 
No
Measure: 
number
Baseline (Year): 
115 (2008)
Target: 
30
Target-Setting Method: 
Projection/trend analysis
Target-Setting Method Justification: 
The United States maintained measles elimination (defined as the absence of endemic disease transmission) from 2000 when elimination was declared by an expert panel to 2008 when 140 cases of measles were reported, the most reported cases since 1996. Of the 140 cases, 115 were classified as U.S. acquired. Until measles is eliminated globally, a risk of measles transmission to U.S. residents persists. Between 2001 and 2008, 325 cases of measles were acquired in the United States, for an average of 41 cases per year. Of the 325 cases, 196 (25 per year) were preventable if ACIP recommendations were followed, and 129 (16 per year) were not preventable. If the preventable fraction is lowered by half during the following 10 years, the mean number of U.S.-acquired cases would be approximately 29. Subject matter experts have given the continued risk of measles transmission in the United States consideration in setting the target.
Numerator: 

Number of confirmed U.S.-acquired cases of measles

Comparable Healthy People 2010 Objective: 
Retained from HP2010 objective
Data Collection Frequency: 
Annual
Methodology Notes: 

    A case definition for confirmed U.S.-acquired cases of measles is available from CDC. Imported cases of measles were not included.

About the Data: State

Description of the data source, numerator, denominator, survey questions, and other relevant details about the state-level data.

Data Source: 
National Notifiable Diseases Surveillance System (NNDSS); Centers for Disease Control and Prevention, Center for Surveillance, Epidemiology, and Laboratory Services (CDC/CSELS)
Measure: 
number
Numerator: 

Number of confirmed U.S.-acquired cases of measles

Data Collection Frequency: 
Annual
Methodology Notes: 

      A case definition for confirmed U.S.-acquired cases of measles is available from CDC. Imported cases of measles were not included.

References

Additional resources about the objective

  1. Centers for Disease Control and Prevention (CDC). Case definitions for infectious conditions under public health surveillance.