What Parents Should Know About the 2025–2026 Respiratory Virus Season for Children

By Brian Bateman | Public Health and Medical Writer

Respiratory virus season is an annual concern for families across the United States. As we move through the 2025–2026 season, pediatricians are once again seeing influenza (flu), respiratory syncytial virus (RSV), and COVID-19 circulating at the same time.

The practical takeaway for parents: most children recover at home with supportive care, but infants, young children, and those with certain health conditions face higher risks. Vaccination, good hygiene, and early recognition of warning signs remain the most important tools for protecting children.

What Viruses Are Circulating?

According to the Centers for Disease Control and Prevention (CDC), influenza, RSV, and COVID-19 continue to cause seasonal waves of illness nationwide. These viruses spread mainly through respiratory droplets when people cough, sneeze, talk, or breathe in close contact.

While symptoms often overlap, each virus can affect children differently:

Influenza (flu): Sudden fever, body aches, fatigue, cough, sore throat.
RSV: Runny nose, cough, wheezing, decreased appetite; in infants, it may cause difficulty breathing.
COVID-19: Fever, cough, congestion, fatigue, and sometimes gastrointestinal symptoms.

In most healthy school-age children, illness is mild to moderate. However, babies under 6 months, premature infants, and children with asthma, heart disease, weakened immune systems, or neurologic conditions are at higher risk of complications.

RSV Prevention Has Changed in Recent Years

One important development in pediatric care has been expanded prevention options for RSV. The CDC now recommends preventive antibody protection (nirsevimab) for most infants entering their first RSV season. Unlike a traditional vaccine, this is a long-acting monoclonal antibody given as a single dose to help prevent severe RSV disease.

For pregnant individuals, an RSV vaccine given during pregnancy can help pass protective antibodies to newborns. The CDC provides guidance on which infants should receive nirsevimab versus relying on maternal vaccination.

These recommendations are based on large clinical trials showing reduced risk of RSV-related hospitalization in infants. However, protection is seasonal and does not prevent all infections.

Flu and COVID-19 Vaccines Still Matter for Kids

The CDC continues to recommend annual influenza vaccination for everyone 6 months and older, including children. Flu vaccine effectiveness varies year to year, but studies consistently show it reduces the risk of severe illness, hospitalization, and death.

Updated COVID-19 vaccines are also recommended for eligible children. While severe COVID-19 is less common in children than in older adults, hospitalization and rare complications such as multisystem inflammatory syndrome in children (MIS-C) can occur.

Vaccination does not guarantee a child won’t get sick. It lowers the chance of severe outcomes, which is especially important for children with underlying conditions.

When Should Parents Seek Medical Care?

Most viral infections can be managed at home with rest, fluids, fever reducers (like acetaminophen or ibuprofen for children over 6 months), and monitoring. However, parents should seek urgent care if a child has:

Difficulty breathing, fast breathing, or ribs pulling in with breaths
Blue or gray lips or fingernails
Signs of dehydration (very few wet diapers, dry mouth, no tears when crying)
Persistent high fever or fever in an infant under 3 months
Unusual sleepiness, confusion, or difficulty waking

Antiviral medications are available for influenza and may be recommended for children at high risk of complications if started early. COVID-19 antiviral options are more limited in younger children but may be considered in specific high-risk cases.

How Schools and Families Can Reduce Spread

Public health guidance from the CDC continues to emphasize layered prevention strategies:

Stay home when sick
Encourage regular handwashing
Improve indoor ventilation when possible
Keep vaccinations up to date

Masking may still be recommended in certain healthcare settings or during outbreaks, especially for high-risk individuals, but routine community masking guidance varies by local conditions.

What About Long-Term Effects?

Most children recover fully from flu, RSV, and COVID-19. A small percentage may experience lingering cough, fatigue, or wheezing. Research published in journals such as JAMA Network and studies indexed in PubMed suggest that severe early RSV infection may be associated with later wheezing or asthma in some children. However, the relationship is complex and does not mean RSV directly causes asthma in every case.

For COVID-19, so-called “long COVID” appears less common in children than adults, but it has been documented. Ongoing NIH-supported research continues to examine long-term effects.

Access and Equity Considerations

Insurance coverage for recommended vaccines and preventive antibodies is generally required under federal preventive service rules, including most private insurance and Medicaid. However, access can vary by region, clinic supply, and pharmacy participation.

Families without insurance may qualify for the Vaccines for Children (VFC) program, administered through state health departments with CDC support.

Oral Health and Overall Wellbeing

When children are sick with respiratory infections, oral health routines often fall apart. Dry mouth from fever or dehydration can increase cavity risk. Once a child feels better, returning to regular brushing with fluoride toothpaste and replacing toothbrushes after illness can help maintain oral health. While respiratory viruses do not directly cause cavities, illness-related changes in routine can indirectly affect dental health.

What This Means for Families

Respiratory virus season is now a predictable part of pediatric care in the United States. The good news is that families have more prevention tools than ever, especially for RSV in infants. Vaccination, early symptom recognition, and practical home care remain the foundation of protecting children.

Parents should check with their pediatrician to ensure children are up to date on recommended immunizations and ask whether RSV preventive options apply to their infant. Staying informed — without panic — is the most effective way to navigate the season.

Sources

Centers for Disease Control and Prevention (CDC) – Respiratory Virus Guidance and Pediatric Vaccination Recommendations
National Institutes of Health (NIH) – Research on Pediatric Respiratory Infections and Long COVID
JAMA Network – Studies on RSV and Long-Term Respiratory Outcomes