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Due to high demand, supplies of Beyfortus are limited this season. We are working with the CDC to fairly distribute all remaining doses.

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What parents need to know about RSV

Respiratory Syncytial Virus (RSV) is a highly contagious virus that can lead to respiratory infection in babies, including serious lung infections. However, most of the time RSV will cause a mild, cold-like illness. RSV spreads when droplets from a cough, sneeze, or infected surface get inside the eyes, nose, or mouth.

It’s seasonal

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The typical RSV season usually occurs from fall through spring, but can vary by local area.

It’s common

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2 out of 3 babies will get RSV by age 1.

It’s unpredictable

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RSV can go from cold-like symptoms to hospitalization in less than a week.

It’s serious

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Babies are 16x more likely to be hospitalized with RSV lung infection than with the flu.

It's concerning

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Although severe RSV is rare, RSV is the leading cause of hospitalization in babies under age 1.

It’s persistent

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On average, babies hospitalized with RSV stay for 3-4 days in hospital.

What symptoms to look for

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RSV signs and symptoms


Most of the time RSV will cause a mild, cold-like illness. Initial symptoms of RSV can include:
  • congestion
  • runny nose
  • irritability
  • decreased appetite
  • fever
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When to call a doctor


As the infection spreads to the lungs the symptoms can worsen and can also cause severe illness such as bronchiolitis or pneumonia. Symptoms can include:
  • short, shallow, and abnormally fast breathing
  • a wheezing cough
  • nasal flaring
  • poor feeding
  • unusual tiredness
  • developing a blue tint to their lips or fingernails
  • fever

The real life impact of RSV

“I hope that learning how RSV affected my family will help another family avoid what we went through."
Charzell

How you can take action today

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Learn more about Beyfortus

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Discover helpful tips for every parent


Additional questions you may have about RSV

IMPORTANT SAFETY INFORMATION

Your child should not take Beyfortus if your child has a history of serious allergic reactions to nirsevimab-alip or any of the ingredients in Beyfortus.
Your child should not take Beyfortus if your child has a history of serious allergic reactions to nirsevimab-alip

INDICATION

Beyfortus is a prescription medicine used to help prevent a serious lung disease caused by Respiratory Syncytial Virus (RSV) in: