Combine-19 Virus

The Combine-19 Virus was a biologically engineered supervirus which was ejaculated from the C.O.C.K at lightspeed in an incubation tank and crashed into mainland China. It was designed as 'payback' for the Gigamagnet's genocidal slaughter of over 10 million Combine troops, as well as the overall pathetic defeat in the 200-year Great META War of an intergalactic empire at the hands of a bunch of Earthlings with machine weaponry. 
== Plandemic ==
The plague was released in 1 B.B (2019 in Earth years), roughly 2 months after the end of the Great META War, and began quickly infecting Chinese citizens, and soon spread across the world. The Combine-19 Virus ravaged the Earth, infecting millions of people across the globe. The Great MAGA King, then president of the United States, raced to develop a vaccine for the wretched virus. He dubbed this initiative 'Project Warp Speed', a name which the Brainrotter would adopt several years later for his Waifurian Armed International Forces of America (W.A.I.F.U.) recruitment initiative (A.K.A. kidnapping children in their sleep to be conscripted into the army). 
The plague ravaged the planet from 1 B.B to 6 AB, when it eventually was controlled and relegated to a minor health risk. Only 10 million people died from the plague yearly by this point, so the Wretched Rotten Hideous Hagload deemed the pandemic 'over'. Despite this, the Combine-19 Virus remained on Earth and became a disease people just learned to live with, such as the flu or Hungarian Nanobug Jitters.