The main issue I have seen with people that work in the medical field is when they value anecdote over data. Inevitably, some that work in the field are going t

The main issue I have seen with people that work in the medical field is when they value anecdote over data. Inevitably, some that work in the field are going to have a disproportionate outcome of some type that doesn't fit the data. So if several of your patients had a bad reaction to a vaccine, you might incorrectly assume that there is an issue.