As the Jonas Salk Chair for Vaccine Research and professor of microbiology and molecular genetics at the University of Pittsburgh, Paul Duprex has been leading the local effort to create candidate vaccines for COVID-19. For a short Q&A interview in which Prof. Duprex lucidly describes vaccine development and its pitfalls without overpowering the reader. Visit THIS PAGE. He provides some important perspective on the process of developing vaccines, which should help all of us who are not involved in such complex work to understand the key aspects. It is well worth reading.