Clinical and Vaccine Immunology, November 2006, p. 1181-1184, Vol. 13, No. 11
1071-412X/06/$08.00+0 doi:10.1128/CVI.00203-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.
National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases (NCIRS), The Children's Hospital at Westmead and the University of Sydney, Sydney, New South Wales, Australia,1 School of Public Health, University of Sydney, Sydney, New South Wales, Australia,2 Centre for Infectious Diseases and Microbiology (CIDM)-Public Health, Institute of Clinical Pathology and Medical Research, Westmead Hospital, Westmead, New South Wales, Australia3
Received 29 May 2006/ Returned for modification 11 July 2006/ Accepted 29 August 2006
In anticipation of the development of a vaccine against cytomegalovirus (CMV), we conducted a large, nationally representative serosurvey to examine the seroprevalence of CMV in Australia. Sera were collected opportunistically from laboratories around Australia. Age- and gender-representative samples were tested for CMV antibody. The population-weighted rate of CMV seropositivity in subjects between 1 and 59 years of age was 57% (95% confidence interval, 55.2 to 58.6%). An association between CMV seroprevalence and increasing age was recognized; however, little overall difference in seroprevalence between the sexes was found. The finding that high levels of CMV exposure occur in the first few years of life suggests that for a universal vaccination program to have maximal impact, the vaccine would need to be delivered to infants and have a long duration of protective efficacy. This is the first national serosurvey looking at cytomegalovirus in the Australian community. This study provides valuable information that can be used to examine the incidence of infection in the community and help focus the administration of a future CMV vaccine to appropriate target populations.
Published ahead of print on 6 September 2006.
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