Raphaëlle K @raph-klitting.bsky.social · 17/09/20263) We show that epidemic dynamics were associated with climatic conditions (temperature and precipitation, which shape mosquito density and activity), but that climate alone cannot account for the decline in transmission at the end of the epidemic. 111
Raphaëlle K @raph-klitting.bsky.social · 17/09/20262) We find that virus spread was highly “intermixed”, with frequent movements between residential areas (even distant ones), driven by human mobility and population density. (see also a very nice animation by @sdellicour.bsky.social available here :https://github.com/sdellicour/chikungunya_reunion) 100
Raphaëlle K @raph-klitting.bsky.social · 17/09/2026A quick run-down of the main points: 1) We confirm that this second major circulation event most likely stemmed from a new single introduction, after more than ten years with no autochthonous cases reported on the island. 100
Raphaëlle K @raph-klitting.bsky.social · 17/09/2026We combined these viral genomes with environmental, and serological data to track how the virus evolved, spread, and eventually receded 🔎 🤓 100