A new study from Texas State University aimed to answer that question by finding the connection between climate change and viruses like Zika and West Nile. Dr. Yongmei Lu, a professor in the Department of Geography at Texas State, concluded the study just before Zika became a well-known world headline. However, it focuses on other infectious diseases. Lu said changing climates, whether it be warmer temperatures or more precipitation, can have a domino effect that could increase or decrease the risk of new viruses.