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About RSV


RSV stands for Respiratory Syncytial Virus, and it’s very common in infancy and early childhood. In fact, RSV infects almost all children by the age of 2 years.



When does it occur?


RSV infections tend to happen from fall to spring in temperate climates such as Canada, but RSV season may vary by region.


Ask your doctor when RSV season occurs in your local area.



What are the symptoms of RSV infection?


At first, symptoms of RSV infection may resemble those of a cold and may include:

  • Fever
  • Runny nose
  • Dry cough
  • Other cold-like symptoms

Symptoms may worsen after RSV gets into the lungs. These symptoms can include:

  • Deeper and more frequent coughing
  • Difficulty breathing, including wheezing (a whistling sound) and rapid breathing
  • Blue lips or fingernails
  • Dehydration
  • Difficulty feeding




RSV infections and your baby


In some cases, RSV can cause an infection of the lungs. When this happens, babies can become very sick and may require hospitalization.




If your baby is considered to be at high risk for serious complications from an RSV infection, talk to your doctor. Ask what you can do to help protect your baby, and what steps you should take if he/she develops any symptoms.


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