Yes, but the problem is that you can't really use "likelihood of spread" as a vaccine priority criterion: it's non-scarce. Anyone who wants a shot early will ju

Yes, but the problem is that you can't really use "likelihood of spread" as a vaccine priority criterion: it's non-scarce. Anyone who wants a shot early will just lie about how many people they interact with, or worse, actually increase that number to try and get an early vaccine.