AFC Urgent Care Marlborough RSV stands for respiratory syncytial virus that can affect your respiratory tract. It poses the greatest risk to infants and children under 5 years old, as their immune systems are still developing. But, it can also affect adults, too, especially seniors or those who are immunocompromised. Thankfully, there are ways you can help reduce your child's or loved one's risk of contracting RSV. AFC Urgent Care Marlborough has created ...