I’m really confused by this article. > The items were the following: > As far as you know, what percentage of unvaccinated people have been hospitalized due t

I’m really confused by this article. > The items were the following: > As far as you know, what percentage of unvaccinated people have been hospitalized due to the coronavirus? > As far as you know, what percentage of fully vaccinated people have been hospitalized due to the coronavirus? > The implied efficacy of vaccines is calculated by subtracting the second response from the first and dividing by the first. But then it seems from the charts that <1% was the correct answer. How could they do the division?