Enterovirus Isolation: Guidance for Parents with Infected Children - Pediatrics

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Isolation issues related to enteroviruses?


Hello Dr.
Pei, my eldest child was diagnosed with enterovirus on Monday, and my 8-month-old daughter developed a fever on Thursday and was confirmed to have enterovirus on Friday.
We tried to isolate the eldest as much as possible when we knew about the diagnosis, but it's possible that the infection occurred during the incubation period.
I would like to ask if we still need to take special isolation measures.
Today, we just learned that my daughter has enterovirus, and my eldest's symptoms seem to have improved significantly.
Is it possible for the daughter to transmit the virus back to the eldest? Thank you, and I wish you all the best.

fiona, 30~39 year old female. Ask Date: 2015/11/06

Dr. Pei Rensheng reply Pediatrics


Hello: There are over sixty types of enteroviruses, and once infected, an individual only gains immunity to that specific type.
If it is confirmed that the younger sister was infected by the older sister, then the older sister will not be reinfected by the younger sister.
Wishing you health, happiness, and peace for the whole family! Sincerely, Dr.
Pei Ren-Sheng, Director of Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2015/11/06

More Info


Understanding Enterovirus Isolation: Guidance for Parents with Infected Children
Hello, and thank you for your inquiry regarding enterovirus infections in your children. It’s understandable to be concerned when one child is diagnosed with an enterovirus, and another shows symptoms shortly after. Enteroviruses, including Coxsackievirus and Echovirus, are common viral infections that primarily affect children, and they can spread easily, especially in close-contact environments like homes and daycare centers.

When one child in the household is diagnosed with an enterovirus, it is indeed possible for siblings to contract the virus, especially if they were in close contact during the infectious period. The incubation period for enteroviruses can range from 2 to 10 days, meaning that your younger child may have contracted the virus from the older sibling before the symptoms were apparent.
In terms of isolation, while it is beneficial to minimize contact between the infected child and other family members, complete isolation may not be feasible in a home setting. Here are some practical steps you can take to manage the situation:
1. Hygiene Practices: Emphasize frequent handwashing for all family members, especially after using the bathroom, changing diapers, and before eating. Use soap and water or hand sanitizer with at least 60% alcohol. Disinfect commonly touched surfaces, such as doorknobs, light switches, and toys.

2. Symptom Monitoring: Keep an eye on both children for any worsening symptoms. Common symptoms of enterovirus include fever, sore throat, mouth sores, and rashes. If either child shows signs of dehydration (e.g., decreased urination, dry mouth), persistent high fever, or any concerning symptoms, consult your pediatrician.

3. Rest and Hydration: Ensure both children get plenty of rest and stay hydrated. Offer fluids frequently, especially if they have a fever or are experiencing mouth sores that make it painful to eat or drink.

4. Isolation of Symptoms: If the older sibling is recovering and showing improvement, it is less likely that they will transmit the virus back to the younger sibling. However, it is still wise to maintain some distance until both children are symptom-free for at least 24 hours.

5. Consult Your Pediatrician: If you have any concerns about the symptoms or the health of either child, do not hesitate to reach out to your pediatrician for personalized advice. They may recommend specific treatments or further evaluations based on the severity of symptoms.

Regarding your concern about the possibility of the younger sibling transmitting the virus back to the older sibling, it is generally unlikely if the older child is on the mend and has already been exposed. However, since enteroviruses can have various strains and symptoms can differ significantly among individuals, it is always good to remain vigilant.

In summary, while enterovirus infections can spread easily among siblings, following good hygiene practices and monitoring symptoms can help manage the situation effectively. It’s important to maintain communication with your healthcare provider to ensure both children receive the appropriate care and guidance during their recovery. Wishing your family a swift recovery and good health!

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