A small infant is presented at a local health-care clinic with a rash of small red raised spots that "blanch" when touched. When questioned, the mother indicates that about 5 days earlier the child was running a high fever of 105oC. The mother thought the child was getting better when the fever subsided, but then the baby bloomed into a rash that covered most of the body. The mother was concerned about this new development and brought the baby to the clinic. What disease do you suspect the child has