Literature of the past few years dealing with the association of herpes zoster and varicella is so voluminous that a complete review of this subject will not be attempted. In 1915, Le Feuvre1 placed the number of cases of associated zoster and varicella at forty. According to Low,2 a total of fifty such cases had been recorded four years later. In an article published in 1924, Bokay3 of Budapest, who was the first to report the possibility of a relationship between zoster and varicella (1888), found 200 cases recorded in fifty articles. It is estimated that during the past two years fully fifty examples of the association of these two diseases have been added to Bokay's list.
Reviewing the subject, the classification suggested by McEwen4 in his excellent article dealing with this condition is repeated here. According to him, cases of zoster-varicella disease fall into four