The vaccine is rendering infected people asymptomatic. So they never think to get tested because they don't feel sick. Then they break their leg, go to hospital

The vaccine is rendering infected people asymptomatic. So they never think to get tested because they don't feel sick. Then they break their leg, go to hospital, get tested as a matter of course, and now get counted as someone hospitalized with COVID. Or they feel vaguely sick, it feels like a flu (due to delta having more cold-like rather than covid-like symptoms) and go to the hospital without getting tested for COVID first, and then get tested in the hospital. We don't know, the data doesn't say.