This subproject is one of many research subprojects utilizing theresources provided by a Center grant funded by NIH/NCRR. The subproject andinvestigator (PI) may have received primary funding from another NIH source,and thus could be represented in other CRISP entries. The institution listed isfor the Center, which is not necessarily the institution for the investigator.Background: Cytomegalovirus (CMV) is an important cause of illness, and even sometimes death, in infants, as well as children and adults whose immune systems are weak. Each year in the United States (US), an estimated 8000 infants suffer disabilities if they are born with CMV infection.Traditionally, studies about CMV have focused on women of child-bearing age as the primary population to receive a CMV vaccine to prevent CMV from hurting their babies. While most people are infected with CMV at some point in their lives, this infection typically occurs during either early childhood or during adolescence. Though there have been studies about CMV in both young and older females, in general, less is known about how adolescent males get CMV. Hypothesis: The goals of this study are to identify different risks factors associated with getting CMV and how common the virus is in adolescent males.
Specific Aims and Procedures (summary):
The aims of the study are broken up into three different phases. Phase I is to determine how common CMV is in adolescent males and to identify risk factors of these boys for getting CMV. Phase II is to study how many adolescent males get CMV over two years and to identify the risk factors associated with getting it. Finally, Phase III is to determine how much virus is in the blood, urine, and saliva of those adolescent boys who were infected with CMV during Phase II.Experimental Design (summary): In Phases I and II of the study, subjects will complete a questionnaire by computer, investigating possible risk factors for CMV, including household and environmental practices. For those subjects who are 14 years of age or older, this will include questions about sexual practices. In Phases I, II, and III, blood will be drawn to test for CMV; in Phases II and III, urine will be collected to test for CMV; finally, in Phase III, saliva will also be collected to test the amount CMV present in the samples.Significance (summary): Knowledge gained by collecting data about how common CMV is in adolescent boys will lead to future studies about CMV vaccines. Studying the risk factors associated with getting CMV and the amount of CMV in blood, urine, and saliva, may help teach individuals about how CMV is passed from person to person and who is at greatest risk for getting the disease.
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