Figure 2.
Key milestones in the development of international guidance to support clinical trial regulation with an emphasis on development of processes to support vaccine clinical trial conduct in developing countries.
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.