Viral Agents

The original 'mother' virus discovered by Ozwell E. Spencer, Edward Ashford and James Marcus in 1966. It became the basis for a number of viruses, the most prominent of which being the t-virus.

t-Virus

Known as the "Tyrant Virus". Created by Dr. James Marcus in 1978, the t-virus opened up new avenues of research for Umbrella and spawned a number of derivatives and variants. A cornerstone of Umbrella's research.

G-Virus

A product of the NE-alpha parasite merging with the body of Lisa Trevor. It was discovered by Dr. William Birkin in the late 1980s and was considered by many to be the ultimate biological weapon.

t-Veronica Virus

A virus developed by Alexia Ashford by incorporating the DNA of plants and a queen ant which housed an ancient virus with the Progenitor Virus.

t+G-Virus

A combination of the "t" and "G" viruses. It was developed by Umbrella Europe in an attempt to combine the attributes of both viruses, and to help stabilise the effects of "G" by integrating it with a t-virus antibody.

Uroboros Virus

A virus developed by Albert Wesker and Tricell, based on the Progenitor Virus. Its purpose was the complete, forced "evolution" of mankind.