Protecting Babies & Young Children from the Flu: What Parents Need to Know

Influenza (the flu) isn’t just a concern for older adults—it can be dangerous for babies, young children, and even healthy teens. The 2024-25 flu season has been especially severe, with at least 370,000 hospitalizations and 13,000 deaths linked to the flu, including 68 pediatric deaths as of early February.

At the Children’s Clinic in Jackson, TN, we encourage parents to take proactive steps to protect their little ones from the flu. One of the best ways to do this is through vaccination, which helps strengthen immunity and reduces the risk of severe illness.

Are Babies and Young Children at Higher Risk from the Flu?

Yes. Because their immune systems are still developing, babies and young children are more vulnerable to severe flu complications. Here’s what parents should know:

  • Children under 2 years old are at the highest risk.

  • Infants under 6 months old have the highest hospitalization and death rates from flu but are too young to be vaccinated.

  • Children ages 2 to 5 are more likely to visit the doctor or emergency room due to flu-related symptoms compared to older kids.

Does My Baby Need Two Doses of the Flu Shot?

Maybe. Your child will need two doses of the flu vaccine, spaced four weeks apart, if they are:

  • 6 months to 8 years old and receiving the flu vaccine for the first time, or

  • Have only received one flu shot before July 1 of the previous year.

After the first dose, the immune system begins preparing to fight the virus. The second dose strengthens protection, ensuring a higher level of immunity. Once a child has completed the two-dose series, they will only need one flu shot per year going forward.

Babies can get the flu shot at any time during flu season, but earlier is better—especially if they are getting it for the first time.

Do Breastfed Babies Need a Flu Shot?

Yes. Although breastfeeding provides some immune benefits, it does not replace the need for vaccination.

  • If you are pregnant or breastfeeding, getting a flu shot can help pass protective antibodies to your baby.

  • Once babies turn 6 months old, they should receive their own flu vaccine for direct protection.

  • Family members and caregivers should also get vaccinated to help create a protective "cocoon" around the baby.

When Should I Call the Pediatrician About My Baby’s Flu Symptoms?

If your baby or young child shows emergency warning signs of flu, seek medical care immediately.

Signs to watch for:

  • Difficulty breathing or rapid breathing

  • Dehydration (no tears when crying, fewer wet diapers)

  • High fever that doesn’t improve

  • Persistent vomiting or diarrhea

  • Lethargy or difficulty waking up

At the Children’s Clinic in Jackson, TN, we recommend that parents contact their pediatrician as soon as flu symptoms appear. Antiviral medications can be effective in reducing the severity of flu if started within 48 hours. However, they may still be helpful for severely ill or high-risk children even if started later.

What Should Parents Do If They Get Sick?

If a parent or caregiver comes down with the flu, they should:

  • Call their doctor to determine if antiviral medication is needed.

  • Wear a mask when holding, feeding, or caring for their baby to help prevent the spread of the virus.

  • If possible, have a healthy adult caregiver temporarily take over childcare duties.

Remember

Flu season can be unpredictable, and while most people recover within a week, some children can develop severe complications. The best way to protect babies and young children is through vaccination.

For children 6 months and older, getting a flu shot every year is the most effective way to prevent serious illness. For babies under 6 months, vaccinating parents, caregivers, and siblings can provide an extra layer of protection.

If you have any concerns about your child’s health or flu protection, the Children’s Clinic in Jackson, TN is here to help. Don’t hesitate to reach out to your pediatrician for guidance.

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