Figure 1 quiz of the week: What infection preceded this rash?

An 8-year-old boy is brought to the pediatrician by his mother over concerns of a new-onset rash. He is otherwise healthy, though his mother mentions that he was unwell two weeks prior to the rash appearing. On examination, numerous small salmon-pink scaly papules are seen on his trunk and extremities.

An 8-year-old boy is brought to the pediatrician by his mother over concerns of a new-onset rash. He is otherwise healthy, though his mother mentions that he was unwell two weeks prior to the rash appearing. On examination, numerous small salmon-pink scaly papules are seen on his trunk and extremities.

Which of the following infections most likely preceded this cutaneous eruption?