A Parechovirus Type 3 Infection with a Presumed Intrauterine Onset: A Poor Neurodevelopmental Outcome.

Parechovirus type 3 (HPeV-3) infection is an important cause of illness in neonates. We present the first case of an infant with a HPeV-3 meningoencephalitis which presumably commenced in utero. Severe developmental delay was seen. In the case of inexplicable neonatal meningoencephalitis, an intrauterine onset of HPeV-3 infection might be the cause.