What is RSV?
A common respiratory virus that usually causes mild, cold-like symptoms
How is RSV spread?
Person to person via respiratory droplets
What is the mean incubation period for RSV?
4 to 6 days
How do infected adults typically present with RSV?
Mild to no symptoms
What type of symptoms are commonly seen in adults with RSV?
Upper respiratory symptoms
What severe complication can RSV cause in some adults?
Lower respiratory infection, such as pneumonia
Which age group is most likely to experience severe RSV cases?
Infants and young children
What adult population is at higher risk for severe RSV?
Adults with chronic medical conditions
How does age affect RSV severity in older adults?
Older adults, especially 65 years and older, are at increased risk
Why are premature infants at higher risk for severe RSV?
They have underdeveloped lungs/immune systems, making them more vulnerable
Which infants are particularly at risk for severe RSV?
Infants 6 months and younger
What conditions increase RSV risk in children under 2 years?
Chronic lung disease or congenital heart disease
How does immune status affect RSV severity in children?
Children with weakened immune systems are more susceptible
What chronic conditions increase RSV risk in adults?
Chronic heart or lung disease
, How does immune suppression affect RSV risk in adults?
Adults with weakened immune systems are more likely to develop severe illness
What is Nirsevimab-alip (Beyfortus)?
A long-acting monoclonal antibody used for passive immunization against RSV
How is Beyfortus administered?
Intramuscular injection
How long does passive immunization from Beyfortus last?
Up to 150 days
What dose of Beyfortus should infants under 8 months receive during their first RSV
season?
One dose - 50 mg for infants <5 kg, 100 mg for infants >/= 5 kg
Which children qualify for RSV immunization during their second season?
8-19 months who are at increased risk of severe RSV disease
What is the recommended dose for high-risk children entering their second RSV
season?
One dose of 200 mg
What is Clesrovimab (Enflonsia)?
A long-acting monoclonal antibody used for passive immunization against RSV
Who is Clesrovimab indicated for?
All neonates or infants born during or entering their first RSV season
What is the dosage and administration method for Clesrovimab?
105 mg/0.7 mL administered intramuscularly, regardless of weight
How long does Clesrovimab provide protection against RSV?
Approximately 150 days
What is the shared recommendation for Clesrovimab and Nirsevimab?
Both are recommended for infants under 8 months of age born during or entering their
first RSV season
When is RSV immunization typically administered in the U.S.?
Between October and March
Under what conditions should infants receive Clesrovimab or Nirsevimab?
If the mother did not receive RSV vaccine during pregnancy
If the mother's RSV vaccination status is unknown
If the infant was born less than 14 days after maternal RSV vaccination