Four members of the Prion Laboratory attended the PRION2015 conference which was held at the Colorado State University in Fort Collins (Colorado, USA), May 26-29. The symposium covered many interesting lectures on prion biology and presentation of more than 200 posters - including our poster "The influence of proteinase-activated receptor 2 deficiency on the course of prion infection: An experimental study using murine model" (abstract designated P.44 can be downloaded here).