In the past 2 months, we have gone from testing that used a less than pleasant form of swab (nasopharyngeal) and took weeks for results, to a saliva test that takes minutes for results.

We do have blood ELISA tests for antibodies to Covid-19 which take days or weeks to report. I suspect that rapid antibody testing will be here in May.

While we currently lack good methods of tracking, it sounds like there are phone apps already on the horizon, and it will just take the judicial system's blessing to use them.

Finally, results from randomized controlled studies will give us accurate information on effective therapeutics to treat the people with the disease

There are many ways to open up the economy without necessarily employing an effective vaccine, if one is ever found. I course I hope that one is found. But we can move forward without it. It just might be a bit more complicated than before