Paulo Jorge Pereira Cruz Paixão obtained his degree in Medicine in 1984 from the Faculty of Medicine of Lisbon, further specializing in clinical pathology in 1992. He later obtained his PhD in Medicine from the Nova Medical School in 2009. Over his career, he has managed and participated in 18 projects in the areas of clinical microbiology and virology, being the principal investigator of one-third. Of these projects, one-third concerned congenital infection by hCMV. His scientific activity is also denoted in 68 articles published in national and international journals and several scientific book chapters and e-books. He is part of the Editorial board of the Journal of Clinical Virology and has also possessed reviewer functions for other scientific journals. He has participated in the organization of 28 congresses, integrated the scientific committee of 15 and moderated 30 scientific meetings or sessions. He is part of 5 scientific societies, namely, the SPPC, the ESCMID; the SPDIMC; the ESCV; and the SPV of which he is a founding member and former president. He has participated in several work groups, highlighting his integration: in an evaluating committee with Infarmed, the national committee for the elimination of measles and rubeola elimination verification in DGS; as a national representative in the European Congenital CMV Initiative. His career as teacher is over 40 years, having lectured in the Faculty of Medicine of Lisbon University (15 years) and at Nova Medical School where he currently teaches since 1999. In these institutions he has collaborated in 11 disciplines and has been regent of 7 disciplines of various degrees, ranging from bachelor's degree in medicine to master's in medical microbiology. Additionally, he has coordinated two editions of said master's degree, supervised and co-supervised 4 doctoral and 30 master's thesis, as well as participated in over 48 evaluation panels and juries of academic degrees. He performs several administrative functions at the university level, such as the coordinator of interchange and mobility section and the COVID-19 contingency plan of NMS. Furthermore, he is responsible for the management of the microbiology laboratory of NMS, where he coordinates the CMV analysis services provided to the community, and the clinical pathology laboratory of Hospital da Luz in Lisbon. Overall he is regarded as an expert in virology, not only in the scientific community but also in by the public opinion, as evidenced by his long history of television and radio interviews, local awareness dissemination actions, speeches and lectures.