Antiviral Drugs Enzyme Inhibitors 。Protease inhibitors 。Indinavir 。HIV Inhibit attachment 。Zanamivir 。Influenza 。Inhibit uncoating ·Amantadine 。Influenza Interferons prevent spread of viruses to new cells 。Viral hepatitis• Protease inhibitors • Indinavir • HIV • Inhibit attachment • Zanamivir • Influenza • Inhibit uncoating • Amantadine • Influenza • Interferons prevent spread of viruses to new cells • Viral hepatitis Antiviral Drugs Enzyme Inhibitors