t-Veronica Virus: Alexia Ashford's Virus in Resident Evil Code: Veronica

The t-Veronica virus is the virus Alexia Ashford created at Umbrella's Antarctic base by combining the Progenitor virus with an ancient virus found in queen ants. Unlike the T-virus, it can leave its host's mind intact, but only if the host gives it years to bond with their body. Alexia did that by sleeping in a cryogenic pod for fifteen years. Everyone else it touched paid the price. (Resident Evil Code: Veronica)

Where t-Veronica came from#

Alexia's research started with ants. She found an ancient virus in the genes of queen ants and became fixed on the idea of the queen, served by a colony that lived only for her. She saw that as her own place in the world. Combining that virus with the Progenitor virus, the root of Umbrella's research, she made a new strain and called it t-Veronica, after the family's celebrated ancestor whose DNA she and her twin Alfred had been cloned from. (Resident Evil Code: Veronica)

The first human test was on her father. In 1983 the twins learned they'd been made in a cloning project and turned on Alexander Ashford. Alexia injected him with t-Veronica. He hadn't been prepared for it, and it destroyed his mind. He became the Nosferatu, a chained, poison-spewing creature kept beneath the Antarctic base. (Resident Evil Code: Veronica)

How t-Veronica works#

The virus is powerful but fast. Left to run, it remakes the host's body too quickly and burns out their mind, as it did with Alexander. Alexia's fix was time. In cryogenic suspension the virus works so slowly that the body can adapt to it. She went into a pod in December 1983 and came out fifteen years later fully bonded with the virus and still herself. (Resident Evil Code: Veronica)

A bonded host gets a lot out of it. Alexia could control huge tentacles growing beneath the ice, reshape her body at will, and turn her own blood into a weapon, because t-Veronica made it burst into flame on contact with the air. Her later forms took on more and more insect features, ending in a winged shape that looked like a giant flying insect. (Resident Evil Code: Veronica)

The mind of the host seems to matter too. Steve Burnside had no long sleep, and t-Veronica turned him into a huge creature within moments. But as he raised his axe over Claire, he stopped himself and turned on Alexia. For a short time he beat the virus by will alone. (Resident Evil Code: Veronica)

Rockfort Island and Antarctica, 1998#

The virus was why Albert Wesker attacked Rockfort Island in December 1998. His unit's raid released the T-virus across the island, and when he learned Alexia was alive in Antarctica, he went after her. She refused to give him a sample and even he couldn't hurt her, so he left Chris Redfield to fight her. (Resident Evil Code: Veronica; Resident Evil Code: Veronica X)

Before Chris got to her, Alexia had injected Steve Burnside with t-Veronica. He died after turning on her to save Claire. Chris then killed Alexia with the Linear Launcher. As the base self-destructed, Wesker's men took Steve's body for research, which is the last the original game says about the virus. (Resident Evil Code: Veronica)

t-Veronica after Alexia#

The Darkside Chronicles adds a new chapter, Operation Javier, set in South America in 2002. Leon S. Kennedy and Jack Krauser go after a drug lord, Javier Hidalgo, who has been buying bioweapons. His daughter Manuela carries t-Veronica, and Javier has been keeping her alive and human by replacing her infected organs with ones taken from kidnapped girls. Manuela has the same burning blood as Alexia. Javier fuses with a t-Veronica plant to become a monster, and Manuela turns her blood on him to save Leon and survives as a human. (Resident Evil: The Darkside Chronicles)

Resident Evil 6 shows where the research ended up. Its files say the C-virus began with a strain derived from t-Veronica, reworked so that hosts kept much of their intelligence without the long wait, and then combined with material from the G-virus taken from Sherry Birkin. The insect-like cocoons and mutations of Resident Evil 6 are t-Veronica's descendants. (Resident Evil 6)

Who was infected with t-Veronica#

• Alexander Ashford, the first human test, who became the Nosferatu. (Resident Evil Code: Veronica)
• Alexia Ashford, the only host who bonded with it fully. (Resident Evil Code: Veronica)
• Steve Burnside, infected by Alexia in Antarctica, who died after briefly fighting it off. (Resident Evil Code: Veronica)
• Manuela Hidalgo, who carried it for years and survived. (Resident Evil: The Darkside Chronicles)
• Javier Hidalgo, who fused with a t-Veronica plant and was killed. (Resident Evil: The Darkside Chronicles)

The original game, its story and the twins are covered in full in the Code: Veronica story. (Resident Evil Code: Veronica)