Stories about: Moritz Kraemer

The threat from mosquito-borne diseases: Forecasting mosquitoes’ global spread

Aedes albopictus
Aedes albopictus (ADOBE STOCK)

Outbreaks of mosquito-borne illnesses like yellow fever, dengue, Zika and chikungunya are rising around the world. Climate change has created conditions favorable to mosquitoes’ spread, but so have human travel and migration and accelerating urbanization, creating new mini-habitats for mosquitoes.

In Nature Microbiology yesterday, a large group of international collaborators combined these factors into prediction models that offer insight into the recent spread of two key disease-spreading mosquitoes — Aedes aegypti and Aedes albopictus. The models forecast that by 2050, 49 percent of the world’s population will live in places where these species are established if greenhouse gas emissions continue at current rates.

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