As of March 26, 2026, CDC data show 1,575 confirmed measles cases across 32 US jurisdictions this year, fueled by large outbreaks in South Carolina (over 600 cases), Texas, Utah, and others, mostly among unvaccinated children and adults in undervaccinated communities. This rapid escalation—surpassing 2025's early totals—reflects import-associated introductions from global hotspots amid declining MMR vaccination coverage below the 95% herd immunity threshold, enabling sustained person-to-person transmission via respiratory droplets. Epidemiological indicators signal high outbreak risk through spring; key variables include containment via contact tracing and vaccination campaigns. Traders track weekly CDC surveillance updates and state reports ahead of April 30 resolution, as new clusters could accelerate totals.
Experimental AI-generated summary referencing Polymarket data · UpdatedMeasles cases in U.S. by April 30?
Measles cases in U.S. by April 30?
$64,960 Vol.
$64,960 Vol.
1800
93%
1900
72%
2000
41%
2100
13%
2200
11%
$64,960 Vol.
$64,960 Vol.
1800
93%
1900
72%
2000
41%
2100
13%
2200
11%
The resolution source for this market will be the CDC Measles (Rubeola) counter 'Total Cases' in 2026 (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.
Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.
Market Opened: Mar 27, 2026, 1:49 PM ET
Resolver
0x65070BE91...The resolution source for this market will be the CDC Measles (Rubeola) counter 'Total Cases' in 2026 (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.
Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.
Resolver
0x65070BE91...As of March 26, 2026, CDC data show 1,575 confirmed measles cases across 32 US jurisdictions this year, fueled by large outbreaks in South Carolina (over 600 cases), Texas, Utah, and others, mostly among unvaccinated children and adults in undervaccinated communities. This rapid escalation—surpassing 2025's early totals—reflects import-associated introductions from global hotspots amid declining MMR vaccination coverage below the 95% herd immunity threshold, enabling sustained person-to-person transmission via respiratory droplets. Epidemiological indicators signal high outbreak risk through spring; key variables include containment via contact tracing and vaccination campaigns. Traders track weekly CDC surveillance updates and state reports ahead of April 30 resolution, as new clusters could accelerate totals.
Experimental AI-generated summary referencing Polymarket data · Updated



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