Dopo somministrazione endovenosa, l’emivita terminale del peginterferone alfa-2a in soggetti sani è approssimativamente da 60 a 80 ore in confronto alle 3-4 ore dell’interferone standard. ###>After intravenous administration, the terminal half-life of peginterferon alfa-2a in healthy subjects is approximately 60 to 80 hours compared to values of 3-4 hours for standard interferon.