Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dose-response curves for Alferon (a), Betaferon (b), and Multiferon (c) as determined by plaque reduction assays. IC50 (50% inhibitory concentration) and IC95 (95% inhibitory concentration) values were calculated by using the fitted functions describing the curves.
