As of March 26, 2026, the Centers for Disease Control and Prevention (CDC) confirms 1,575 measles cases across 32 U.S. jurisdictions, including 16 new outbreaks with 94% of infections outbreak-linked and 92% among unvaccinated individuals. This accelerated early-year tally—exceeding 2025's pace—reflects suboptimal MMR vaccination coverage at 92.5% for kindergartners, below the 95% herd immunity threshold needed to curb the highly contagious virus (R0 of 12–18). Global outbreaks fuel import risks via travel. Key uncertainties include containment via public health responses; watch CDC's weekly Thursday updates and seasonal factors like spring break for shifts in epidemiological trajectory and trader positioning through year-end resolution.
Experimental AI-generated summary referencing Polymarket data · UpdatedMeasles cases in U.S. in 2026?
Measles cases in U.S. in 2026?
$7,494,164 Vol.
$7,494,164 Vol.
↑2k
98%
↑3k
84%
↑4k
65%
↑5k
50%
↑7.5k
22%
↑10k
13%
↑12.5k
12%
$7,494,164 Vol.
$7,494,164 Vol.
↑2k
98%
↑3k
84%
↑4k
65%
↑5k
50%
↑7.5k
22%
↑10k
13%
↑12.5k
12%
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 March 26, 2026, the Centers for Disease Control and Prevention (CDC) confirms 1,575 measles cases across 32 U.S. jurisdictions, including 16 new outbreaks with 94% of infections outbreak-linked and 92% among unvaccinated individuals. This accelerated early-year tally—exceeding 2025's pace—reflects suboptimal MMR vaccination coverage at 92.5% for kindergartners, below the 95% herd immunity threshold needed to curb the highly contagious virus (R0 of 12–18). Global outbreaks fuel import risks via travel. Key uncertainties include containment via public health responses; watch CDC's weekly Thursday updates and seasonal factors like spring break for shifts in epidemiological trajectory and trader positioning through year-end resolution.
Experimental AI-generated summary referencing Polymarket data · Updated
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