截至7月31日，美国麻疹病例数是多少？

/2350

Weather/Pandemics

3 months ago

monthly

结束日期Jul 31, 2026

流动性$0

交易量$34.1K

OI$30.5

规则

Ref

AI

$34.1K total volume. Resolves Jul 31, 2026. Odds via Polymarket, aggregated by Future.