Sadly, DRACO undertook over a dozen trials against specific virii and AFAIK managed to cure all of them in vitro. Do have a look at the ink provided, where these studies are discussed. Thereafter, funding for such trials, that comes from pharmaceutical corporations or their lackeys in government, has been unavailable, and Dr. Rider has even turned to crowdfunding mechanisms in the hope of advancing DRACO.

"...each virus mutates and because one therapeutic works for one strain that may not hold true for a future strain."

This is exactly why DRACO is the best possible potential resolution of viral pandemic. So far it has proved to be effective against every virus it has been tested on, not just specific strains like vaccines.

It is a broad spectrum antiviral that works on the viral mechanism itself, not species specific antigens or features, a cure rather than a vaccine, and this is why Big Pharma will not fund it, or allow it to be funded. It completely demonetizes the business model of pharmaceutical companies by curing the diseases they profit from constantly vaccinating against and treating perennially.