Sustained measles transmission in 2026, driven by declining childhood vaccination coverage and multiple ongoing outbreaks, forms the core driver of trader sentiment on total U.S. cases by August 31. As of August 6, the CDC reported 2,465 confirmed cases for the year—already exceeding the full 2025 total—with 94% linked to outbreaks and 93% occurring in unvaccinated individuals. Recent weekly increments of 24–78 cases reflect persistent community spread, particularly in states such as Utah and Pennsylvania. Official surveillance updates from the CDC, alongside any shifts in state-level reporting or vaccination campaigns, represent the key near-term data releases that could influence case trajectories before the August 31 cutoff.
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. by August 31?
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98%
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$7,636 Vol.
2500+
98%
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94%
2600+
86%
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: Jul 31, 2026, 10:25 AM 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...Sustained measles transmission in 2026, driven by declining childhood vaccination coverage and multiple ongoing outbreaks, forms the core driver of trader sentiment on total U.S. cases by August 31. As of August 6, the CDC reported 2,465 confirmed cases for the year—already exceeding the full 2025 total—with 94% linked to outbreaks and 93% occurring in unvaccinated individuals. Recent weekly increments of 24–78 cases reflect persistent community spread, particularly in states such as Utah and Pennsylvania. Official surveillance updates from the CDC, alongside any shifts in state-level reporting or vaccination campaigns, represent the key near-term data releases that could influence case trajectories before the August 31 cutoff.
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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