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Polymarket
Macro

Measles cases in U.S. in 2026?

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Bulls Say, Bears Say

Bulls Say

2025 already saw the largest U.S. measles outbreak in decades, setting a high baseline

Declining vaccination rates and anti-vaccine sentiment create sustained transmission risk

At 98¢, market has near-unanimous confidence this threshold will be exceeded

Bears Say

Public health emergency response could drive rapid vaccination campaigns cutting spread

2k cases is an extremely high bar that would require sustained multi-state outbreaks

Zero recent volume suggests price may be stale and not reflect latest outbreak data