<prompt> Mechanism of action of Oseltamivir and Zanamivir is:-DNA polymerase inhibitionInhibition of viral mRNABlocking viral uncoatingNeuraminidase inhibition  <response>: Oseltamivir acts by inhibiting influenza virus neuraminidase enzyme which is needed for release of progeny virions from the infected cell. Other neuraminidase inhibitor includes Zanamivir Peramivir. These are used against Flu Virus Bird fluswine Flu. Drugs like Amantadine and Rimantadine are viral uncoating inhibitors. Route of administration of neuraminidase inhibitors in influenza: Zanamivir: Inhalational Oseltamivir: Oral Peramivir: Intravenous 