A microscopic survivor hiding in our water could be the next public health threat—and climate change is giving it an edge. Credit: Shutterstock Environmental and public health researchers are drawing attention to a little-known group of pathogens that may pose a rising global danger: free living amoebae. In a new perspective published in Biocontaminant , the team explains that these microscopic organisms are gaining ground worldwide, driven by climate change, deteriorating water systems, and