Final answer:
According to the provided information, there is no mention of Sue Smith presenting any new evidence in the school infirmary.
Step-by-step explanation:
In the given information, there is no specific mention of Sue Smith or any evidence presented by her in the school infirmary. The provided excerpts talk about various other subjects such as a lawyer's work, incidents at a school, and experiences of doctors and nurses, but there is no mention of Sue Smith or her presentation of evidence in the infirmary. Therefore, there is no new evidence presented by Sue Smith in the school infirmary according to the provided information.