Editing Openai/69439ed2-a934-800b-ad0f-4b1320a3650b (section)

==== Here the observables shift: ====
* reduced fumigation frequency/coverage due to fuel or insecticide scarcity
* increased larval indices or mosquito density measures following control degradation
* municipal sanitation breakdown metrics
* household repellent scarcity and price spikes

The referred video/article asserts a direct line: fuel shortage (driven by sanctions) → less fumigation. Belly of the Beast<ref>{{cite web|title=Belly of the Beast|url=https://www.bellyofthebeastcuba.com/why-is-cuba-facinng-a-mosquito-virus-crisis|publisher=Belly of the Beast|access-date=2025-12-18}}</ref>
Reuters reporting aligns with the practical picture: resource scarcity and degraded sanitation/fumigation capacity are part of why the outbreak is spreading, and repellents are scarce. Reuters<ref>{{cite web|title=Reuters|url=https://www.reuters.com/business/environment/cuba-fights-contain-spread-mosquito-borne-chikungunya-virus-2025-11-13/|publisher=reuters.com|access-date=2025-12-18}}</ref>

This is the strongest “mechanism fit” currently visible from the sources in front of us: outbreak control is an operations problem, and operations are fuel-, parts-, and logistics-dependent.