What is the T Virus in the Resident Evil games? Explained

gamepur.com:

The T-virus is the source of all the major zombie outbreaks in the original trilogy of Resident Evil games. The virus was developed by the nefarious Umbrella Corporation, and the goal was to use the virus to advance the human race. The virus soon became too much to handle for Umbrella, leading to the Spencer Mansion incident in the first Resident Evil game and the Raccoon City outbreak in the first and second sequels. Origins of the virus and what it does has been well documented within the lore of the games.

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The T-virus is a strain of the Progenitor Virus found in Sonnentreppe, a genus of flowers that can only be located in West Africa. The Progenitor Virus was discovered by the pharmaceuticals company Umbrella in the 1960s, and it was hoping to use the virus to help the company’s ultimate goal of creating a race of superhumans. However, to achieve the necessary funding to create the company’s perfect race, Umbrella made a deal with the military to use the virus to create bio-engineered super weapons and monsters. Most of these experiments to create these bio-weapons happened within the Spencer Mansion.

Concurrently to Umbrella’s creation of bio-weapons, the company was also working on the Wesker Project. The project was to create the perfect human who will be the stepping stone for the human race to ascend. The project led to the death of multiple children, but also led to the birth of the series’ main antagonist Albert Wesker. Eventually, experiments from the Spencer Mansion were bleeding out to the outside world, so Raccoon City sent out its top-tier police force S.T.A.R.S. to investigate. Wesker