Which virus classically causes a lacy eruption?


Lacy rash of chest in erythema infectiosum.
Fig. 24.4 Lacy rash of chest in erythema infectiosum.
Parvovirus B19, the cause of erythema infectiosum. Patients also often demonstrate bright erythema of the cheeks that has been described as a “slapped cheek” appearance (Fig. 24-4).