Frank O. Pettersen is a senior consultant at the Dept. of Infectious Diseases, Ullevål, Oslo University Hospital. He is
a specialist in infectious diseases and medical microbiology with a particular interest in HIV and tropical diseases. He holds a PhD in HIV immunopathology and a diploma in tropical medicine and hygiene. He is a clinician, head of the Regional Advisory Unit for Imported and Tropical Diseases, OUH, and ass. professor at the University of Oslo. He is engaged in the roll out of PrEP at the National Advisory Unit for sexually Transmitted Diseases, Olafia Clinic, Dept. of Dermatovenerology, OUH.