As of early September 2026, the CDC has confirmed 3,134 measles cases nationwide, already exceeding the full-year 2025 total of 2,289 and marking the highest annual count since 1991. Trader sentiment reflects sustained transmission driven by MMR vaccination coverage falling to 92.5% among kindergartners, with 94% of 2026 cases occurring in unvaccinated or unknown-status individuals and 95% linked to outbreaks. Major clusters persist in states including South Carolina, Utah, and Pennsylvania, where lower local immunity and community spread sustain chains of infection. Weekly CDC surveillance updates, including case counts, hospitalization rates (currently 8%), and outbreak declarations, provide key resolution signals through year-end, alongside potential revisions to preliminary data.
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?
$7,895,608 Vol.
$7,895,608 Vol.
↑3.5k
100%
↑4k
96%
↑4.5k
88%
↑4.75k
85%
↑5k
78%
↑7.5k
15%
↑10k
7%
↑12.5k
2%
$7,895,608 Vol.
$7,895,608 Vol.
↑3.5k
100%
↑4k
96%
↑4.5k
88%
↑4.75k
85%
↑5k
78%
↑7.5k
15%
↑10k
7%
↑12.5k
2%
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: Jun 30, 2026, 2:17 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 early September 2026, the CDC has confirmed 3,134 measles cases nationwide, already exceeding the full-year 2025 total of 2,289 and marking the highest annual count since 1991. Trader sentiment reflects sustained transmission driven by MMR vaccination coverage falling to 92.5% among kindergartners, with 94% of 2026 cases occurring in unvaccinated or unknown-status individuals and 95% linked to outbreaks. Major clusters persist in states including South Carolina, Utah, and Pennsylvania, where lower local immunity and community spread sustain chains of infection. Weekly CDC surveillance updates, including case counts, hospitalization rates (currently 8%), and outbreak declarations, provide key resolution signals through year-end, alongside potential revisions to preliminary data.
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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