You put a disposable cover over on it, eg these, which covers the part that goes in peoples’ mouths. So the main risk is that everyone is touching the same object with their hands. You can mitigate that by also having them wash their hands or use hand sanitizer afterwards.
What’s the risk in sharing an oral thermometer/how do you sterilize it effectively?
They make non-contact digital thermometers now. You could get one of those. Point and shoot.
You put a disposable cover over on it, eg these, which covers the part that goes in peoples’ mouths. So the main risk is that everyone is touching the same object with their hands. You can mitigate that by also having them wash their hands or use hand sanitizer afterwards.