Climate change could expose 1 billion more people to bug-borne diseases, study says

Photos: Dengue fever: How a mosquito infected millions
Dengue virus is carried by the Aedes aegypti mosquito, the same type that can spread Zika virus. A bite from a mosquito harboring the virus can result in headaches, rashes and severe joint pains. In serious cases, it can cause internal bleeding and death.
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