The international Summer school of Tumor Microenvironment and Immunity, held under the auspices of NICR, once again brought leading experts together with the next generation of researchers from several countries in the picturesque town of Nové Hrady. Four days of inspiring lectures, open discussions, informal networking – and a truly outstanding atmosphere.

How do viral infections reshape cancer cell metabolism, and why might these changes represent the Achilles' heel of cancer cells? These questions were at the centre of a lecture by Christian U. Hübbers from the University of Cologne, who visited the Institute of Biochemistry and Experimental Oncology, First Faculty of Medicine, Charles University, at the invitation of Martin Sztacho.