The sensation you describe - at vertex (top of the head) - is highly suggestive of anxiety
. You are probably worked up with the illness and inconvenience exceeding a week. You are rightly concerned about the initial insult being rather prolonged. It is unlikely that your throat is 'still covered with bacteria' - one can not see them, of course! That could be a different issue - simply a scar / may be fungus?
Have second opinion
from one throat specialist and Physician
Rest assured this is not a virus' way of working its way...