ERYTHEMA infectiosum is an acute infectious disease found usually in children and characterized by an evanescent rose-red morbilliform eruption which spreads rapidly from the face to the extremities with no other symptoms. The literature indicates that the disease is not geographically limited. The recent increase in reports of small epidemics indicates that for years the disease probably has been confused with other exanthems. The possibility of exposing a young victim of this mild malady to virulent organisms in isolation wards is apparent. It is the purpose of this paper, therefore, to report a recent epidemic in Milwaukee and to indicate the paramount features of the disease according to our observations and a study of the literature.
Erythema infectiosum usually occurs in small epidemics and, although no careful statistical studies have been made, it appears that girls are more frequently afflicted. Though the cause is not definitely established1 a virus