The Epidemiologic Study of Human Cytomegalovirus （CMV）in Female Students of Xiamen University

In this study, 100 female students aged 18 to 30 years old in Xiamen University will be enrolled. On the first visit, blood, saliva and urine samples of all participants will be collected. Then saliva and urine samples will be collected at two-week interval until 6 months. Serum samples will be tested the PP150-IgG titer. Saliva and urine samples will be used to test CMV DNA by PCR. The primary purpose of this study is to identify the relationship between baseline PP150-IgG titer and CMV infection.