"Defining that threat is not simple. The challenge is to do for infectious diseases what other researchers can now do for droughts or hurricanes: “attribute” events to climate change. “The very cutting edge right now is actually trying to start doing attribution … to say, for each degree of temperature change, how many more cases do we get?” says Erin Mordecai, an infectious disease ecologist at Stanford University."
https://www.science.org/content/article/malaria-cases-could-ebb-even-hotter-world-other-diseases-will-get-worse