When a virus writer succeeds at something new, the virus community calls it a "proof-of-concept" virus or worm. Gnuman (alias W32/GnutellaMan, Mandragore, GnutellaMandragore) is a proof-of-concept ...

"The worm and the virus thus make a good model system to study host-virus interactions." The capsid spike structure is important, Tao said, because "it likely interacts with the host cell receptors.

“The worm and the virus thus make a good model system to study host-virus interactions.” The capsid spike structure is important, Tao said, because “it likely interacts with the host cell receptors.