Better check the dentist or other health providers next. From a letter published today (not mine)

[SidneyR]

6. I called two dentist offices.

First, I called my original dentist, who was noncommittal about staff vaccinations, saying "most of us are vaccinated." I said that wasn't good enough, and called another, who said "we are all fully vaccinated." The second one got my appointment and transferred records.