Herpes Simplex Virus Type 1 (HSV-1) is a ubiquitous pathogen. Other than known diseases, HSV-1 may have an important role in the pathogenesis of atopy by causing immortality of th2 cells. From June 1st to July 31st 2006, seventy five blood samples were collected from atopic children referred to the allergy clinic of the hospital. The bloods samples were used to detect HSV-1 IgG antibodies by En...