Contagion Live During this time of year, much of the US becomes too cold for mosquitos to transmit vector-borne diseases. However, Chikungunya is still be transmitted in tropical environments. For example, 29 countries in the Caribbean region have documented cases of this disease as of December. One particularly hard hit country has been Cuba. Over 38,000 cases of Chikungunya have been reported in Cuba this year, with 21 deaths. US travel-associated cases have exceeded 200, which hasn’t occurred since 2016.
Recently, the Florida Department of Health reported there were 149 confirmed cases of Chikungunya among people who have traveled to Cuba, and the Miami-Dade County area alone accounting for 95 cases in 2025.