Norwegian Surveillance System for Antiviral Resistance (RAVN)
Viruses with resistance to antiviral treatment are registered in the Norwegian Surveillance System for Virus Resistance.
Viruses monitored for resistance
![Logoen til RAVN logo som viser to ravner](/globalassets/bilder/diverse-illustrasjonsfoto/ravn-logo.jpg?preset=mainbodywidth&maxwidth=970&width=970)
Viruses monitored for resistance
In Norwegian Surveillance System for Antiviral Resistance (RAVN), resistance of influenza viruses, HIV, hepatitis B virus (HBV), hepatitis C virus (HCV), cytomegalovirus (CMV) and herpes simplex virus (HSV) are monitored.