"Viral proteins" refers to proteins that are produced by viruses. These proteins are important for the virus to infect and reproduce within host cells. Full definition
This extended production of viral proteins mimics what a live virus vaccine would achieve. (sciencedaily.com)
To explore why this occurred, the study looked at what happened to specific viral proteins when the pathway was on and off. (sciencedaily.com)
The vaccine includes one key viral protein — not enough of the virus to cause infection but enough for the body to react and create immunity. (discovermagazine.com)