The causal relationship between zoster and varicella is generally accepted because of the many similarities between the viral agents isolated from these diseases. A case is reported, and other cases are cited to illustrate that varicella may be transmitted to a susceptible individual who is exposed to the virus of zoster. Because of the increasing number of patients in current clinical practice who are taking adrenal corticosteroids, and because of the gravity of varicella in a patient who is taking these hormones, it would appear advisable that patients hospitalized with zoster be managed by strict isolation, and that the same precautions be followed, as far as practicable, in the home when the patient is not hospitalized.
BRODKIN RH. Zoster Causing Varicella: Current Dangers of Contagion Without Isolation. Arch Dermatol. 1963;88(3):322–324. doi:10.1001/archderm.1963.01590210080012
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