RELATION OF VARICELLA TO HERPES ZOSTER : I. STATISTICAL OBSERVATIONS.
Varicella most frequently occurs in individuals under 10 years of age, while zoster as a rule is observed in persons beyond that age. The number of cases of varicella exhibits a markedly constant seasonal variation. The variations in the prevalence of herpes zoster are not regular and do not parallel those of varicella.
Hospital of The Rockefeller Institute for Medical Research.
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Eldridge