Answer:
I would think Glenohumeral Dislocation
Explanation:
Not sure if you had choices so as to make your answer more specific to the question being posed, but in general, hand hygiene and proper infection control measures should be taken and taught.
The most likely to occur is depression. While the other two symptoms may appear, depression is a common mental impact after a traumatic event happens to a child. Treatment of this effect can be via therapy and/or depression medication though not necessary.
Endorphins reducing stress levels
The answer is evolutionary!
I hope I was able to help. :)