Four members of the Prion Laboratory attended the PRION2015 conference which was held at the Colorado State University in Fort Collins (Colorado, USA), 26–29 May. 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).