Tenofovir er en reverse transcriptase hæmmer af nukleotidgruppen (NRTI), der virker ved at blokere reverse transcriptase, et enzym, der produceres af hiv og gør det muligt for viruset at inficere celler og producere flere virus.
Tenofovir is a nucleotide reverse transcriptase inhibitor (NRTI) that blocks the activity of reverse transcriptase, an enzyme produced by HIV that allows it to infect cells and make more viruses.