The blond woman in the black shirt seems to be administering an injection to a young adult wearing blue jeans .
Chances are about even that a nurse with blonde hair is giving a young patient a flu vaccine .
Chances are about even that a nurse with blonde hair is giving a young patient a flu vaccine .
It is highly unlikely that a nurse with blonde hair is giving a young patient a flu vaccine .
A nurse with blonde hair is giving a young patient a flu vaccine .