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Q: Do my two children need to be isolated from each other if they both tested positive for Influenza A a few days apart?

Medically reviewed by Sang Hyun Ahn, MD

Content edited by Myeongchan Kim, MD


This post is a dramatization of a question and answer session experienced by our actual medical reviewers. Please note that this content is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.


Illustration for the question: Do my two children need to be isolated from each other if they both tested positive for Influ…

Question:

My second child was diagnosed with Influenza A last Thursday. My first child started having a fever on Saturday and was officially diagnosed with Influenza A today. Since they both have the exact same flu, do I still need to keep them isolated from each other?


Answer:

You are asking about isolation protocols for siblings who have both been diagnosed with Influenza A. Since both children are infected with the same Influenza A strain, they do not need to be isolated from each other.


Here is a summary of your current situation:

• Second child: Diagnosed last Thursday (currently on day 5)

• First child: Diagnosed today (symptoms started on Saturday)

→ Since both have Influenza A, they do not need to be separated.


Isolation Guidelines:

• Between the siblings: They can safely share a room and play together.

• Other family members: Keep the children separated from uninfected family members as much as possible, especially the elderly or pregnant women.

• General outside isolation: Keep them home until 24 hours after their fever has resolved without the use of fever-reducing medication.

• School/Daycare: Generally, they should be isolated from school or daycare until 48 hours after their fever has broken.


Tips for Home Care:

  1. Ensure they get plenty of fluids, such as warm water or electrolyte/sports drinks.

  2. If they were prescribed an antiviral medication (like Tamiflu), make sure they finish the entire course, even if they start feeling better.

  3. Use fever-reducing medications only when the children are uncomfortable.

  4. Ventilate your home frequently and practice strict handwashing.


⚠️ When to revisit a doctor:

Please seek in-person medical evaluation if you notice any of the following:

• A high fever persisting for more than 5 days.

• Difficulty breathing or chest pain.

• Severe headaches or continuous vomiting.

• The children suddenly look or act significantly more ill.


Taking care of two sick children at the same time is definitely exhausting. Typically, the fever from Influenza A subsides within 3 to 5 days, so hang in there just a little bit longer!

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For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.







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