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Clinical outcome and the role of antivirals in congenital cytomegalovirus infection

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ANTIVIRAL RESEARCH
卷 191, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.antiviral.2021.105083

关键词

Cytomegalovirus; Congenital infection; Hearing loss; Valganciclovir; Diagnosis

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cCMV infection is a major cause of hearing loss and neurological disabilities in children globally. Most infants with cCMV are asymptomatic at birth, but 10-15% will develop hearing loss. Diagnosis relies on detecting the virus from urine or saliva within the first three weeks of life, with saliva PCR being the preferred method. Prevention strategies are limited, and antiviral therapy is standard for infants with symptomatic cCMV.
Congenital cytomegalovirus (cCMV) infection is a leading cause of hearing loss and neurological disabilities in children worldwide. Although a minority of infants with cCMV will have symptoms at a birth, these children are at high risk of long-term sequelae. Most infants with cCMV have no clinical signs at birth (asymptomatic), but 10-15% will develop hearing loss. The diagnosis of cCMV relies on detection of the virus from urine or saliva within the first three weeks of life, with saliva PCR being the preferred method due to ease of collection and high sensitivity of the assay. Measures to prevent mother-to-child transmission of CMV are limited, and antiviral therapy with valganciclovir for 6 months is the standard of care for infants with symptomatic cCMV. As more infants with cCMV are being identified through newborn screening, studies are urgently needed to address antiviral treatment in asymptomatic infants and the implementation of prevention strategies to prevent fetal infection. This article is part of the symposium New drugs and vaccines for DNA virus infections: a symposium in memory of Mark Prichard.

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