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.
The ORF encoding the RSV F protein was cloned between the P and M genes of the NDV cDNA to create the NDV-F vaccine construct (A). After the recombinant virus was rescued from the cDNA, proper insertion of the ORF was confirmed by RT-PCR (B and C).
