Not only should AI misdiagnose to save lives, but a human should too. You walk in with symptoms that most likely is a harmless virus that clears up on its own or 5% of the time is a deadly bacteria. The correct course of action is to try to test if it is the 5% case (most often the wrong diagnosis), not send people home because they are most likely fine. Many cases have a similar low but not 0 risky diagnosis.