1st April 2022

A 5-year-old boy presents with a 2-day history of mild fever (38 degrees centigrade)

A 5-year-old boy presents with a 2-day history of mild fever (38 degrees centigrade), and a light pink maculopapular rash on the face and chest. His mother reports that a child he is friends with has something similar. On examination he has a marked cervical lymphadenopathy, and several small red papules over the soft palate, however is otherwise well. 

Given this presentation, what is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.