"It would be wildly unethical to give the virus to folks just to see how much virus it takes to get sick."
Depends. If there are volunteers for it, (which I can imagine to be the case) - and the volunteers are fully aware of the risk - then it might be ethical to let them proceed and save millions of other people.
Depends. If there are volunteers for it, (which I can imagine to be the case) - and the volunteers are fully aware of the risk - then it might be ethical to let them proceed and save millions of other people.