1. Measles1 Surveillance System Sensitivity Oct 2015 to Sep 2016 (12M period)
reporting rate of discarded cases* per 100'000 population**
Eliminated countries are not maintaining sensitive surveillance
Target: at least 2 discarded cases
per 100'000 population by country
in last 12 month period.
*discarded cases are suspected
measles cases which have been investigated and discarded as non-measles cases using laboratory testing and/or epidemiological-linkage.
** World population prospects, 2015 revision .
1 In the Region of the Americas, this surveillance is integrated with rubella. ≥2
(67 countries or 41%)
>1 - <2
(35 countries or 22%) ≤1
(50 countries or 31%)
No case based
surveillance or
No or insufficient data reported on discarded cases
No case based
surveillance or
No or insufficient data reported
(10 countries or 6%)
Not applicable
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Data source: surveillance DEF file
Data in HQ as of 9 November 2016