Fifth disease is a viral disease, caused by parvovirus 19 that takes its name from being the fifth of six pediatric disorders identified by scientists.

The first four were rubella, measles, scarlet fever and Dukes disease, which is a mild form of scarlet fever. The sixth disorder is exanthema subitum, also called roseola infantum.

Fifth disease is an acute, benign infectious disease, mainly of children, characterized by fever and an erythematous rash beginning on the cheeks and appearing later on...