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Respiratory Syncytial Virus (RSV)

What is it?

Respiratory Syncytial Virus (RSV) is a common cause of respiratory infections, meaning it impacts the lungs and airway. 

The majority of children get RSV before they turn 2 years old, and RSV is most common during the fall and winter (the same time as colds and flu).


For most people, RSV causes mild cold symptoms. However, it can be dangerous for young children and older adults. In fact, RSV is the most common cause of hospitalizations for children under 1 year old. 

Here is a brief video explanation of RSV and its symptoms:

RSV Vaccine Options:

Both of these vaccines are approved for people ages 60+.

Abrysvo is also approved for pregnant individuals (specifically 32-36 weeks pregnant). 


  • Adjuvant: a compound added to some vaccines to strengthen the immune response

  • Antibody: a protein made by the immune system in response to a foreign particle (antigen). These proteins circulate in the blood and help defend the body against the substance.

  • Antigen: This is any substance that triggers the immune system to create antibodies. For example, allergens such as pollen are antigens.

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