Monika Redlberger-Fritz is a virologist at the Center for Virology at the Medical University of Vienna (Austria), specialised in influenza virus evolution, vaccine effectiveness, and current influenza vaccine research. 

Her areas of responsibility are: Head of the National Reference Laboratory for the Detection and Surveillance of Human Influenza Virus Infections in Austria; Head of the National Reference Laboratory for Respiratory Syncytial Viruses Austria; Head of the Surveillance Network for Respiratory Viruses in Austria; and member of the National Vaccination Committee.