“…due to herpes simplex virus seen at this hospital from 1948 to 1956, a total of 36 cases was found of which approximately the same proportion were seriously ill. There were three deaths, including the case now reported (Brain, 1956). The source of infection is of the greatest importance and, in exactly the same way as efforts are made to avoid bringing eczematous children into contact with vaccinia virus by postponing vaccination, so should the risk of exposure to herpes virus be minimized.…”