Aluveria

Aluveria, otherwise known as ALLY-78, ALLY-79, and ALLY-82, is an virus that originated on Earth in 2078. It is, with a record high R0 of 125.7, the highest of any known virus. It's first in 2078 infected 700,000 people in 3 weeks alone. An of the virus known as ALLY-79 caused over 78 billion infections across 19 planets.