Herpes Transmission Risks for Infants: What Parents Should Know - Pediatrics

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Herpes transmission issues?


Hello doctor, if a parent (primary caregiver) has an outbreak of herpes, can it be transmitted to a one-month-old baby? Is isolation necessary? Can they resume contact with the baby once the herpes symptoms have resolved, or should those with a history of herpes always be cautious when interacting with the baby? I would really appreciate your response.

Qi Ma, 30~39 year old female. Ask Date: 2018/11/28

Dr. Pei Rensheng reply Pediatrics


Hello! Herpes simplex virus can be transmitted through respiratory droplets, and infants can also be infected.
Most newborns who contract herpes do so through perinatal transmission (85%); the remaining 15% are infected in utero or postpartum.
A one-month-old baby, being in the postpartum period, can still be at risk of infection.
It is important to be aware of the potential for droplet transmission.
If the baby becomes infected, symptoms may include skin, eye, and oral manifestations.
In severe cases, there may be encephalitis or disseminated infection.
Wishing you health and happiness! Dr.
Pei Ren-Sheng, Attending Physician, Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2018/11/28

More Info


Herpes Simplex Virus (HSV) is a common virus that can pose significant risks to infants, particularly those under one year of age. The two main types of herpes simplex virus are HSV-1, which is often associated with oral herpes (cold sores), and HSV-2, which is typically associated with genital herpes. When it comes to infants, the primary concern is the transmission of HSV from caregivers to the baby, especially during an active outbreak.

If a parent or primary caregiver has an active herpes outbreak, there is a risk of transmission to the infant through direct contact. This is particularly concerning if the caregiver has oral herpes, as the virus can be transmitted through kissing or close contact. Infants have immature immune systems, making them more susceptible to infections, including herpes. In severe cases, neonatal herpes can lead to serious complications, including encephalitis or disseminated infection, which can be life-threatening.

To minimize the risk of transmission, it is advisable to take certain precautions:
1. Avoid Direct Contact: If you have an active herpes outbreak, avoid kissing your baby or having close contact until the sores have completely healed. This includes not sharing utensils, towels, or any items that may come into contact with the virus.

2. Practice Good Hygiene: Wash your hands frequently, especially after touching your face or any sores. Use hand sanitizer if soap and water are not available.

3. Use Barriers: If you must care for your infant while having an outbreak, consider using a mask to cover your mouth and avoid any direct contact with your lips.

4. Wait for Healing: It is generally recommended to wait until the herpes lesions have completely healed and crusted over before resuming close contact with your baby. This is typically when the risk of transmission is significantly reduced.

5. Consult a Healthcare Provider: If you have a history of herpes and are concerned about transmission to your infant, it’s a good idea to consult with your healthcare provider. They can provide personalized advice based on your specific situation and may recommend antiviral medications to reduce the risk of outbreaks.

6. Educate Yourself and Others: Make sure that anyone who will be in close contact with your baby is aware of your herpes status and understands the importance of avoiding contact during an outbreak.

In summary, while the risk of transmitting herpes to an infant is significant during an active outbreak, following these precautions can help protect your baby. It is essential to prioritize hygiene and avoid direct contact until the sores have healed. If you have ongoing concerns about herpes and its implications for your infant's health, do not hesitate to reach out to a healthcare professional for guidance and support.

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