Is Cho-Wa weighted more heavily, like the Advanced Mitochondrial Formula, because it has anticancer effects on tumors not caused by viruses, as well as those that are caused by chronic viruses?

This, indeed, is the case. The anticancer benefit of Cho-Wa is a major factor in its evolution over many, many, years from seeing if people stay healthy through their elder years by refining the combination of ingredients in Cho-Wa.