Congenital cytomegalovirus — CMV that a baby is born with — is one of the leading infectious causes of childhood hearing loss in the United States. Hearing changes can be the only sign. A lot of those babies look well in the nursery.
On 21 September 2026 the American Academy of Pediatrics published a clinical report, *Care of the Infant With Congenital Cytomegalovirus Infection*, online ahead of the October 2026 *Pediatrics* issue. It expands on the 2024–2027 Red Book and tries to close a gap pediatricians have been living with: who to test, how fast, and what follow-up actually looks like when a state does not run universal newborn CMV screening.
This is editorial context for parents. It is not medical advice and it is not a diagnosis.
## Background
CMV is a common herpesvirus. Most healthy children and adults who catch it never know. The problem is infection before birth. When the virus crosses the placenta, a share of infants are born with congenital CMV (cCMV). Some have obvious findings at birth — small head size, a rash, jaundice, an enlarged liver or spleen. Many do not. Hearing loss can appear later, which is why a passed newborn hearing screen is not a lifetime all-clear.
States have taken different paths. Some test every newborn. More test babies who do not pass the hearing screen (hearing-targeted testing). A smaller group add other clinical flags — the “expanded” part.
## What changed
The new report recommends **hearing-targeted plus expanded testing**. In plain language:
- Test newborns who do not pass newborn hearing screening.
- Also test newborns who have specific physical findings linked to congenital CMV, even if they passed the hearing screen.
The authors frame that mix as a balance among individual health, population equity, and what health systems can actually staff and pay for. They also treat cCMV as a health-equity problem: access to timely PCR testing, antiviral discussion when it is appropriate, and years of hearing follow-up is uneven.
The report is written for clinicians. For parents the practical change is that a pediatrician now has a clearer AAP-backed reason to order a CMV test after a refer on the hearing screen, or after certain findings on exam, without waiting for a state mandate.
## Competing viewpoints
**Targeted-plus-expanded (the report’s path).** Supporters say it catches the babies most likely to benefit, uses existing hearing-screen infrastructure, and is more realistic than asking every hospital to add a CMV swab tomorrow.
**Universal newborn CMV screening.** Advocates — including families of children who were diagnosed late — argue that targeted programs miss infants who pass the first hearing test and then lose hearing months later. They want every baby tested in the first three weeks of life, when a saliva or urine PCR can still distinguish congenital infection from CMV caught after birth.
**Cost and capacity skeptics.** Hospital labs, Medicaid offices, and some public-health departments worry that a broader net without funded follow-up just creates positive results with nowhere to send the family.
Those camps are not new. What is new this week is an AAP clinical report that picks a lane and publishes it in *Pediatrics*.
## What parents can usefully do
- If your newborn did not pass the hearing screen, ask whether a CMV test was sent, and when results will be back. Timing matters.
- If your baby passed the hearing screen but a clinician flagged other findings, it is reasonable to ask whether CMV is on the list.
- Hearing can change after discharge. Keep the follow-up audiology appointments even when the first weeks look fine.
- This article cannot tell you whether your child should be treated. That conversation belongs with the baby’s clinicians.
## What to watch next
- Whether more states move from hearing-targeted programs to true universal screening after this report.
- How quickly hospitals can run saliva/urine CMV PCR on nights and weekends, not just weekday lab hours.
- Insurance coverage for follow-up hearing tests and, when prescribed, antivirals.
- How the report is used in nurseries that already feel stretched on RSV doses and measles exposures this fall.
## Sources
- AAP news release, 21 September 2026: Care of the Infant With Congenital Cytomegalovirus Infection.
- Clinical report in *Pediatrics*, published online 21 September 2026 (October 2026 issue).
- AAP Red Book Online, 2024–2027, congenital CMV chapter.
*Editorial context for parents. Not medical or legal advice. Decisions about testing and treatment belong with your child’s clinicians.*
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