An international group of geneticists, epidemiologists and public health researchers based in Australia, France and the U.S. teamed up to study a pathogen after it caused a small but deadly outbreak of illnesses in Wisconsin.
One enduring myth about ticks is that these little bloodsucking creatures hang around on tree branches and leaves, waiting to drop down on an unsuspecting feast. Ticks don't dive-bomb their intended meals, but they do engage in behavior called "questing."
Law enforcement officers, emergency medical workers and lab technicians are trained to minimize their exposure to dangerous substances. The increasing use of powerful opioids — which are dangerous to inhale or even touch in very small amounts — is adding unpredictability to these risks.