"This is significant, as flies can be important in the transmission of diarrheal disease-causing micro-organisms." She believes what the flies may be doing is providing a significant boost during the dry season to other factors which are already contributing to diarrheal disease.
"Our findings suggest that climate change will increase the occurrence of diarrhea and the burden of disease among vulnerable populations in Botswana and similarly affected regions," Alexander said.
But the impact of her team's findings was likely to be significantly reduced if shortcomings in public health were identified and remedied.
This article originally appeared at The Daily Climate, the climate change news source published by Environmental Health Sciences, a nonprofit media company.