I had flu like symptoms & itchiness which caused various spot appearance around the body, what kind of spots are these? (photos)

For the past few days I've had mild flu like symptoms such as a cough, sneezing, lack of energy and appetite. Yesterday I woke up with a couple of spots in various places. At first I thought they might have been insect bites but as the days progressed more have developed and now I'm covered in them. The ones that I already had have become extremely itchy. I know that the symptoms are consistent with chicken pox but I had it twice as a child and it sees unlikely that I would get it again at 18.

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