As of April 16, 2026, the CDC reports 1,748 confirmed measles cases in the United States this year across 33 jurisdictions, with 94% outbreak-associated amid 19 new outbreaks—surpassing early-year totals and threatening the nation's elimination status achieved in 2000. This surge stems from declining MMR vaccination coverage, at 92.5% among kindergartners in the 2024-2025 school year, below the 95% herd immunity threshold needed to curb the highly contagious virus (R0 of 12-18). Most cases occur in unvaccinated communities, fueled by global importations and local transmission chains. Traders should monitor weekly CDC updates and state surveillance for escalation, as school-year vaccination drives and public health responses could influence year-end totals.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMeasles cases in U.S. in 2026?
Measles cases in U.S. in 2026?
$7,604,667 Vol.
$7,604,667 Vol.
↑2k
97%
↑3k
62%
↑4k
48%
↑5k
33%
↑7.5k
13%
↑10k
12%
↑12.5k
9%
$7,604,667 Vol.
$7,604,667 Vol.
↑2k
97%
↑3k
62%
↑4k
48%
↑5k
33%
↑7.5k
13%
↑10k
12%
↑12.5k
9%
The resolution source for this market will be the CDC Measles (Rubeola) counter (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: Dec 1, 2025, 12:56 PM ET
Resolver
0x65070BE91...The resolution source for this market will be the CDC Measles (Rubeola) counter (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 April 16, 2026, the CDC reports 1,748 confirmed measles cases in the United States this year across 33 jurisdictions, with 94% outbreak-associated amid 19 new outbreaks—surpassing early-year totals and threatening the nation's elimination status achieved in 2000. This surge stems from declining MMR vaccination coverage, at 92.5% among kindergartners in the 2024-2025 school year, below the 95% herd immunity threshold needed to curb the highly contagious virus (R0 of 12-18). Most cases occur in unvaccinated communities, fueled by global importations and local transmission chains. Traders should monitor weekly CDC updates and state surveillance for escalation, as school-year vaccination drives and public health responses could influence year-end totals.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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