Drought may exacerbate the spread of Zika and other mosquito-borne viruses

This week the World Health Organization declared the spread of Zika virus the world’s fourth international public health emergency. Ever. Just one of several mosquito-borne illnesses with severe health impacts on humans, including death, the media has been quick to connect the expected spread of Zika to the global changing climate. Mosquitos thrive in wet, hot conditions and, as the world warms,…