Every virus since the Cambrian explosion likely invested in controlling Complement. Horseshoe Crabs utilize C3 and C3 convertases. It's what makes their blood so valuable.
But not SARS
Not MERS
MPox Clade 1 controls Complement
But MPox Clade 2 does not
And not SARS-CoV-2
All others do. All.
CDC is basically Wichita PD in the 80s and 90s saying all those victims bound, tortured, and killed are unrelated. They have to pretend it's natural so they can do nothing about it.