Image 12; This man presented,on his return from Australia, with a fever and headache of 5 days duration, and a widespread papulovescicular rash for 3 days. He also had had a painless lesion on his temple of 10 days duration, appearing several days after he removed a tick from the site.聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 The diagnosis is