Pityriasis Rosea Is Not Associated With Human Herpesvirus 7

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Abstract
PITYRIASIS ROSEA (PR) is an acute exanthematous inflammatory skin eruption occurring usually once per lifetime in the second or third decade. Many epidemiological and clinical features suggest a viral pathogenesis for PR. They include the preferential occurrence of PR in the spring and fall and sometimes in communities; occasionally fever as a prodromal symptom; the occurrence of a preceding herald patch followed by the appearance of multiple skin lesions with a characteristic distribution; the spontaneous regression of skin changes within 6 to 12 weeks without therapeutic intervention; and recurrences during immunosuppression, as is often observed in patients with viral diseases.1,2