This is a blatant lie, or you are not wanting to admit it. If researchers had taken the correct and appropriate 10 or so years to create a proper vaccine, and demonstrated a long term safety and efficacy profile using the Scientific Method, then we would have known. They did not.
In the mean time you focus on finding and making widely available already approved medications for treatment through an off label use. This is how you're SUPPOSED to tackle this.
Grantham will inevitably have some stupid reponse to this as well I would imagine that does it actually retort with a valid point.