Safety of RSV Preventive Monoclonal Antibody

Inclusion Criteria: * Infants ≥ 6 weeks to \<30 weeks of age at the time of enrollment * Infants eligible for RSV monoclonal antibody and at least one routine childhood vaccine in outpatient clinic * The parent/legal guardian must be willing and capable of providing permission for their infant to participate through the written informed consent process * Parent/legal guardian must be able to read and comprehend English or Spanish * The parent/legal guardian must be available for follow-up study contact by telephone from enrollment to completion of the study period * The parent/legal guardian must agree to sign a medical record release for the infant so that study personnel may obtain medical information about the infant's health (if needed) * The parent/legal guardian must be willing to delay their child's receipt of RSV monoclonal antibody up to two weeks from the scheduled date and to return for a second visit to receive the deferred RSV monoclonal antibody Exclusion Criteria: * Known contraindication or precaution to RSV monoclonal antibody or other routine vaccines being administered * Received any vaccine within 14 days prior to enrollment and the first immunization day in this study * Known previous receipt of RSV monoclonal antibody * Received any experimental/investigational agent (vaccine, drug, biologic, device, blood product, or medication) within 28 days prior to immunization in this study or expects to receive an experimental/investigational agent within the f…