Floods, heat and other climate hazards are turning 218 infectious diseases into bigger threats, study says

Professor Camilo Mora feels the impacts of climate change in his knees. 

During a 2014 visit to his native Colombia, heavy rains caused the worst flooding his hometown had seen in decades and boosted the mosquito population. A mosquito bit Mora, transferring the chikungunya virus and making him a patient during an unprecedented outbreak in the region. 

His joints ache still today. He blames a warming world. 

In a study published Monday, Mora and his colleagues at the University of Hawaii canvassed tens of thousands of studies to analyze the...