Heat & matchday safety: With Miami set to host seven World Cup games, South Florida’s unusually hot May is a warning sign—fans are urged to plan for June/July highs in the high-80s to around 90°F and come prepared. Measles prevention for mass gatherings: PAHO is urging Americas countries to tighten measles surveillance and vaccination ahead of the 2026 World Cup, including active case-finding and guidance for travelers who can’t prove full vaccination. Alzheimer’s testing access in Uruguay: C2N Diagnostics and SouthGenetics are partnering to expand access to blood tests for amyloid pathology tied to Alzheimer’s, with initial rollout including Uruguay. Local inclusion in physical education: Montevideo Middle School STEM students designed adaptive PE games so classmates with developmental or physical disabilities can participate safely and fully. Uruguay squad update: Uruguay confirmed its 26-man World Cup roster—Luis Suárez was left out, while Fernando Muslera returned from retirement. Sports medicine angle: Neymar’s calf injury remains a key fitness concern for Brazil as the tournament approaches. On-field rules that affect health & flow: IFAB/FIFA are rolling out World Cup rule changes, including a cooling break and tighter VAR/discipline around set-pieces and goalkeeper injury situations.