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RESEARCH ARTICLE

Vaccination for cytomegalovirus: when, where and how

Vijayendra Dasari A and Rajiv Khanna A B
+ Author Affiliations
- Author Affiliations

A Tumour Immunology Laboratory
QIMR Clive Berghofer Medical Research Institute
300 Herston Road
Brisbane, Qld 4006, Australia

B Tel: +61 7 3362 0385
Fax: +61 7 3845 3510
Email: rajiv.khanna@qimr.edu.au

Microbiology Australia 36(4) 175-178 https://doi.org/10.1071/MA15062
Published: 19 October 2015

Abstract

Although following primary human cytomegalovirus (CMV) infection in many individuals no overt symptoms are observed, CMV came to medical attention due to its significant morbidity and mortality associated with congenital infection and immunosuppressed individuals. Congenital infection occurs following transplacental transmission during pregnancy as a result of primary infection, reactivation or re-infection with a different isolate. Estimates suggest at least a million cases of congenital CMV occur annually worldwide. Congenital infection is a leading cause of neurological complications such as mental retardation, cerebral palsy, developmental delay and seizure disorders and also causes permanent disabilities, such as hearing loss and vision impairment. In addition, other common manifestation of CMV infection are stillbirth, preterm delivery and intrauterine growth restriction (IUGR) and cardiovascular disease, which are risk factors for perinatal and lifetime morbidity. Recent reports have estimated that the economic costs to public health and families due to congenital CMV infection are immense, with direct annual costs of billions of dollars. An effective CMV vaccine that could prevent transplacental transmission, reduce CMV disease and CMV-associated stillbirths has been recognised as an urgent medical need. Over the past 40 years several CMV vaccine candidates have been evaluated in a series of clinical trials and found to be effective in preclinical and clinical studies. However, in spite of extensive efforts over many decades, successful licensure of an effective CMV vaccine formulation to prevent congenital CMV infection remains elusive.


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