My children who are both vaccinated have just had it last week.
Child 1- woke up in the morning to find 5 tiny spots that looked like little pimples, followed by a couple of spots about 3 days later. No temps, eating and drinking fine, all good other than the spots.
Child 2 - came out in two spots about two days after child ones spots then two more spots a couple of days later.
When I went to the doctors she said that sometimes when the kids are vaccinated they get it really mild and might not have temps/ lack of eating etc. can just be a couple of spots.