There have been no defined sequelae of HPeV CNS infection to date in the United States, although long-term follow-up is lacking for this emerging pathogen. There have been rare CNS sequelae, including white matter changes or seizures outside the United States, but these were apparent during the acute illness. We recommend outpatient follow-up soon after discharge, particularly if fever persists at discharge.
If we add HPeV3 PCR to our testing for infant sepsis-like syndrome during summer/fall, particularly when there is no or minimal CSF pleocytosis plus peripheral leuko/lymphopenia, there will fewer times when we lack a confirmed cause.
Dr. Harrison is a professor of pediatrics and pediatric infectious diseases at Children’s Mercy Hospitals and Clinics, Kansas City, Mo. Dr. Harrison said he has no relevant financial disclosures.