The overlapping global distribution of dengue, chikungunya, Zika and yellow fever

Lim, Ahyoung; Shearer, Freya M.; Sewalk, Kara; Pigott, David M.; Clarke, Joseph; Ghouse, Azhar; Judge, Ciara; Kang, Hyolim; Messina, Jane P.; Kraemer, Moritz U. G.; Gaythorpe, Katy A. M.; Souza, William Marciel de; Nsoesie, Elaine O.; Celone, Michael; Faria, Nuno R.; Ryan, Sadie J.; Rabe, Ingrid B.; Rojas, Diana P.; Hay, Simon I; Brownstein, John S.; Golding, Nick; Brady, Oliver J.

doi:10.1038/s41467-025-58609-5

articleNature CommunicationsApr 10, 2025GOLD OA

The overlapping global distribution of dengue, chikungunya, Zika and yellow fever

ALAhyoung Lim FMFreya M. Shearer KSKara Sewalk DMDavid M. Pigott JCJoseph Clarke

London School of Hygiene & Tropical Medicine · The University of Melbourne · +17 more institutions

PubMed

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Abstract

Arboviruses transmitted mainly by Aedes (Stegomyia) aegypti and Ae. albopictus, including dengue, chikungunya, and Zika viruses, and yellow fever virus in urban settings, pose an escalating global threat. Existing risk maps, often hampered by surveillance biases, may underestimate or misrepresent the true distribution of these diseases and do not incorporate epidemiological similarities despite shared vector species. We address this by generating new global environmental suitability maps for Aedes-borne arboviruses using a multi-disease ecological niche model with a nested surveillance model fit to a dataset of over 21,000 occurrence points. This reveals a convergence in suitability around a common global…

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Topics & keywords

Topics

Keywords

Chikungunya
Dengue fever
Zika virus
Arbovirus
Aedes
Aedes aegypti
Aedes albopictus
Yellow fever

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