Routine newborn screening could catch cytomegalovirus infections before problems appear

A newborn can look perfectly healthy, pass a hearing test and still carry an infection that may affect hearing or development later in childhood. That is the challenge posed by congenital cytomegalovirus, or cCMV, one of the most common infections passed from a mother to a baby during pregnancy. Most babies born with the virus show no obvious signs at birth, making it difficult to know which children may need closer monitoring.

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