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RSV and the Flu

Respiratory syncytial virus (RSV) and influenza (the flu) are common viral infections affecting children, especially during colder months. Typical signs of the flu and RSV include coughing, runny noses, fevers, and fatigue. Both illnesses spread through respiratory droplets, contaminated surfaces, and close contact with infected individuals.

Young children, particularly infants, are vulnerable to RSV and the flu. Both viruses can lead to severe complications like pneumonia or bronchiolitis if not properly managed.

RSV and the flu are both highly contagious, and it is possible for a child to contract both illnesses simultaneously. If your child is experiencing RSV, cold, and flu symptoms, your pediatrician can help assess symptoms, provide timely treatment, and discuss vaccination options for both illnesses.

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While RSV and the flu share several similarities, they are not the same illness. They have different causes and manifestations.

RSV is more common in infants and younger children. It typically starts with mild symptoms that may become more severe over time. In more serious cases, RSV in babies can lead to bronchiolitis or pneumonia. On the other hand, the flu typically causes higher fevers, body aches, and fatigue, affecting children of all ages.

While the flu has been well-known and carefully studied for ages, RSV is a new virus to many parents. The flu vaccine has been available since the 1930s. However, it was only in 2023 that the U.S. Food and Drug Administration approved the first respiratory syncytial virus vaccine.

At CMCFresno, we prioritize your child’s health with comprehensive care. We offer check-ups, preventative shots, and treatments for the flu and RSV to safeguard your children during peak seasons. From infant flu shots to sick visits, our pediatric team works closely with parents, helping them understand the risks, answering their questions, and providing guidance on the right time for vaccinations.

CMCFresno is ready to help ensure your child stays protected against these common but potentially serious illnesses. If you have questions about RSV or flu symptoms and treatment, schedule an appointment with CMCFresno for personalized guidance!

Here are some common questions parents have about RSV and the flu. Our FAQ section below offers helpful information about the illnesses, how your child can contract them, and what you can do to keep that from happening:

RSV and the flu in children are typically diagnosed based on a combination of clinical symptoms and laboratory tests:

  • Symptom Assessment: We evaluate the child’s symptoms, including coughing, runny nose, fever, wheezing, and difficulty breathing.
  • Nasal or Throat Swab: We collect respiratory secretions from inside the mouth or nose for testing. We use the sample on a rapid RSV antigen test to check for signs of RSV and on a rapid influenza diagnostic test to detect the flu virus.
  • Polymerase Chain Reaction (PCR) Testing: For more definitive results, we may recommend PCR testing to detect both RSV and the flu. PCR tests are more accurate but may take longer to produce results than rapid tests.
  • Blood Tests: We may perform blood tests to check for signs of infection or inflammation.
  • Chest X-rays: We may check the child's lungs to assess for any complications, such as pneumonia or bronchiolitis.

Children typically contract RSV and the flu through close contact with infected individuals, especially during peak seasons like fall and winter, when the viruses are most active.

Both illnesses spread through respiratory droplets when someone coughs, sneezes, or touches contaminated surfaces such as toys, desks, or doorknobs at school. During school time, when kids are in close quarters, it’s easier for these viruses to spread quickly.

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RSV symptoms typically last one to two weeks in children, though some may experience lingering coughs. Flu symptoms generally last about a week in children, with fatigue possibly lingering longer.

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Read More Information About the Flu Here

Vaccination is the most effective preventative measure against RSV and the flu. Teaching your children to practice regular handwashing and avoid close contact with sick individuals can also help lower the risk of infection.

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CMCFresno offers RSV and flu vaccinations for children in Fresno. Keep your child safe from viral illnesses — contact us to schedule an appointment today!

Setting an appointment with one of CMCFresno’s pediatricians is quick and easy! Just call our office at (559) 455-1500 as soon as you can to check for availability and secure the time slot that works best for you.

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