As of late August 2026, CDC data show 2,777 confirmed U.S. measles cases year-to-date—already exceeding the full-year 2025 total of 2,289—with 94% occurring in unvaccinated or unknown-status individuals and 36 active outbreaks driving nearly all transmission. Declining kindergarten MMR coverage to 92.4% amid rising exemptions has sustained domestic chains, concentrated in states such as Pennsylvania, Ohio, South Carolina, and Utah, while recent weekly additions of over 200 cases signal continued acceleration. Two measles deaths were reported in Pennsylvania on August 25, the first U.S. fatalities of 2026. Weekly CDC surveillance updates and the November PAHO review of elimination status will provide key new data points for assessing final 2026 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?
$7,862,522 Vol.
$7,862,522 Vol.
↑4.5k
65%
↑3k
99%
↑3.5k
95%
↑4k
87%
↑5k
48%
↑7.5k
15%
↑10k
9%
↑12.5k
8%
$7,862,522 Vol.
$7,862,522 Vol.
↑4.5k
65%
↑3k
99%
↑3.5k
95%
↑4k
87%
↑5k
48%
↑7.5k
15%
↑10k
9%
↑12.5k
8%
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: Feb 16, 2026, 11:51 AM 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 late August 2026, CDC data show 2,777 confirmed U.S. measles cases year-to-date—already exceeding the full-year 2025 total of 2,289—with 94% occurring in unvaccinated or unknown-status individuals and 36 active outbreaks driving nearly all transmission. Declining kindergarten MMR coverage to 92.4% amid rising exemptions has sustained domestic chains, concentrated in states such as Pennsylvania, Ohio, South Carolina, and Utah, while recent weekly additions of over 200 cases signal continued acceleration. Two measles deaths were reported in Pennsylvania on August 25, the first U.S. fatalities of 2026. Weekly CDC surveillance updates and the November PAHO review of elimination status will provide key new data points for assessing final 2026 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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